What shoes to wear for mountain hiking?

OMG, you NEED hiking shoes! For lightweight awesomeness, grab some trail runners. The Altra Lone Peak and Brooks Cascadia are total game-changers – so comfy and supportive! Think of them as your everyday sneakers, but mountain-ready. They’re perfect for those agile hikes where you need speed and flexibility.

But if you prefer something a little more substantial, you absolutely HAVE to check out boots! The non-waterproof Vasque Breeze and Merrell Moab Mids are trail staples. Seriously, everyone’s wearing them! The non-waterproof versions are lighter and breathe better – perfect for those warmer months or less intense hikes. They offer excellent ankle support, crucial for conquering challenging terrain. Remember, waterproof boots can be heavier and sweatier, so choose wisely depending on your hiking style and weather conditions. You’ll be obsessed, I promise!

Pro-tip: Consider the terrain! If you’re hitting rocky trails, a stiffer sole might be beneficial. For smoother paths, a more flexible shoe could be more comfortable. Also, don’t forget to break your new hiking shoes in before your big adventure – blisters are the WORST! Happy shopping!

What are the best mountain hiking boots?

Having tried countless hiking boots over the years, I can confidently say these stand out:

Salomon X Ultra 4 Mid GORE-TEX: The ultimate all-arounder. Excellent ankle support, great grip even on wet trails, and surprisingly comfortable for long days. A solid choice if you only want one pair for various terrains and conditions. Worth noting that the Gore-Tex lining makes them waterproof, but can be less breathable than some other options. Consider this if you prioritize protection above all else.
HOKA Anacapa 2 Mid GTX: These are a game-changer for speed hiking. The cushioning is exceptional, reducing fatigue on long distances and steep inclines. The grippy sole provides stability, but the lower cut might not offer the same ankle support as the Salomons. Ideal for those who prioritize comfort and speed over rugged terrain.
Merrell Moab Speed 2 A/C Low Hiking Shoes – Kids’: For little adventurers, these are a reliable and affordable option. Durable enough to withstand the abuse kids put them through, yet comfortable enough for all-day wear. The low cut offers flexibility and breathability, making them perfect for less challenging trails. Remember to check the size regularly as kids’ feet grow quickly.

Important Considerations: Always break in new boots before a serious hike. Consider the climate and terrain – Gore-Tex is great for wet conditions but might be overkill in dry weather. Proper sock selection is crucial for comfort and blister prevention. Fit is paramount; poorly fitting boots lead to injuries. Don’t be afraid to try several pairs to find the perfect fit for your feet.

Is it okay to wear running shoes for hiking?

For paved nature trails, even your favorite city sneakers might suffice. Think of it as a low-level tech solution for a low-demand environment. However, consider the limitations: minimal ankle support and less protection from uneven terrain.

Stepping up to dedicated trail running shoes is like getting a mid-range upgrade. Many models now boast features like enhanced grip, improved water resistance, and better cushioning, all crucial for handling uneven trails and varying conditions. Look for features such as Vibram soles for superior grip and Gore-Tex membranes for waterproof protection, improving your overall experience and potentially reducing the risk of injury.

However, if you’re venturing into serious off-road hiking, especially in challenging terrain or inclement weather, then trail running shoes might still fall short. This is where heavy-duty hiking boots become the high-end option. They offer superior ankle support, waterproof protection (often with higher-performing membranes than trail runners), and sturdier construction for maximum stability on rocky or uneven paths. These offer significantly better protection against twists and sprains, making them indispensable in demanding hiking situations.

Essentially, the choice depends on your terrain and conditions. A paved path? Sneakers might be fine. A moderately challenging trail? Trail running shoes offer a good balance of performance and comfort. Really rugged terrain or bad weather? Invest in a solid pair of hiking boots. Consider it as choosing the right gadget for the task at hand – you wouldn’t use a smartphone to fix a car, right?

How do I know if my boots are good for hiking?

Sole Matters: Before clicking “add to cart,” zoom in on those product images! Deep treads are key for grip on varied terrain – think rocky paths and muddy trails. Avoid soles with treads that look too shallow or too aggressive; you want a balance for stability. Read reviews – users often mention grip performance in different conditions (wet rocks, snow, etc.).

Midsole & Upper: The description says “medium stiffness,” but that’s subjective. Look for boots with a good balance of support (to protect your ankles and feet) and flexibility (so you can feel the trail). Synthetic materials offer durability and water resistance. Leather offers breathability but takes longer to dry. Consider the climate and your hiking style when choosing materials. Many reviews mention comfort and support, check those out!

Beyond the Basics (Pro Tip!): Don’t forget to check the boot’s weight! Lighter boots mean less fatigue on long hikes. Also, look for features like waterproof membranes (Gore-Tex is popular) if you anticipate wet conditions. Finally, pay attention to the break-in period mentioned in reviews. Some boots require more time to mold to your feet than others.

What is the difference between mountain and hiking boots?

Mountaineering and hiking boots, while both designed for traversing uneven terrain, differ significantly in performance, especially when using crampons. The key differentiator lies in stiffness.

Stiffness: Mountaineering boots boast significantly higher stiffness, a crucial factor for crampon compatibility and safety on steep, icy slopes. This rigidity provides superior support and prevents the boot from flexing under load, ensuring a secure platform for your foot and preventing ankle strain. Hiking boots, while sometimes crampon-compatible, lack this robust stiffness, leading to a less secure and potentially dangerous experience when using crampons. The flex in hiking boots can compromise the crampon’s bite and increase the risk of slippage.

Ankle Support: This enhanced stiffness translates directly to superior ankle support in mountaineering boots. The high-cut design and rigid construction offer better protection and stability on challenging terrain, mitigating the risk of sprains and injuries. Hiking boots generally provide less ankle support, making them less suitable for demanding mountaineering activities.

Sole Construction: Mountaineering boots typically feature stiffer, more robust soles designed for stability and durability on rugged terrain. They often have a more aggressive tread pattern providing greater grip on ice and snow. Hiking boot soles are generally designed for flexibility and comfort on less technical trails.

Consider these factors when choosing:

Intended Use: Mountaineering boots are for serious mountaineering, ice climbing, and glacier travel. Hiking boots are best suited for hiking trails and less technical terrain.
Terrain: Mountaineering boots excel on challenging, technical terrain including ice, snow, and steep slopes. Hiking boots are more appropriate for well-maintained trails.
Crampon Compatibility: While some hiking boots may accept crampons, they are not designed for the rigors of mountaineering and performance will be significantly reduced.

What is the difference between trail shoes and hiking boots?

As a frequent buyer of both, the key difference lies in intended use and resulting design. Hiking boots prioritize ankle support and protection, featuring stiffer soles, higher cut shafts, and often waterproof membranes. They’re built for stability and durability on challenging, uneven terrain, including rocky ascents and descents. Think backpacking trips with heavy packs – boots are your friend there.

Trail running shoes, conversely, are all about agility and speed. They prioritize a lightweight, flexible design with aggressive tread patterns for grip on softer trails. Ankle support is less pronounced, sacrificing stability for speed and responsiveness. They’re ideal for running or fast-paced hiking on well-maintained trails where agility is key. Think daily runs on forest paths or quick day hikes.

The “hiking shoe” category sits somewhere in between. They offer more protection and support than trail runners but less than traditional hiking boots. They often incorporate features like waterproof liners and slightly stiffer midsoles, making them suitable for a wider range of trails and activities.

Ultimately, the best choice depends on your specific needs. Consider the terrain, the weight of your pack, and the pace of your activity. Don’t hesitate to try on multiple options – feel the difference in stiffness, weight, and ankle support. Consider also the type of sole – Vibram soles are very popular for grip.

Why do hiking boots hurt my feet?

Ugh, hiking boots hurting your feet? That’s a total disaster! It’s usually that darn heel slippage causing friction. Think of your skin rubbing against the inside of the boot – major hot spot and blister city! You absolutely NEED the right fit. Don’t skimp! Proper hiking socks are crucial – merino wool is a game changer, preventing moisture buildup which leads to friction. Look for boots with good ankle support and a stiff sole for stability, which reduces unnecessary foot movement. Consider getting your feet professionally measured at a reputable outdoor store. They can help you find the perfect boot width and length, preventing that dreaded heel lift. Seriously, investing in high-quality boots and socks is SO worth it to avoid pain and blisters, and honestly, a good pair will last you YEARS of amazing adventures. Remember, happy feet = happy hikes!

What is the difference between military boots and hiking boots?

Military, or tactical, boots and hiking boots serve distinct purposes, leading to key design differences. Material is a primary differentiator. Tactical boots frequently utilize durable, synthetic materials like polyurethane or ethylene-vinyl acetate (EVA) for their superior abrasion resistance and water-resistance properties, crucial in demanding military operations. Hiking boots, conversely, often favor leather, nylon, or suede, prioritizing breathability and comfort for extended periods on trails. While synthetic materials can be breathable, they generally don’t match the natural breathability of leather, especially in warmer climates.

Height is another crucial factor. Tactical boots typically boast a taller, mid-calf design, offering enhanced ankle support and protection from debris and impacts common in tactical environments. This higher cut also provides improved stability on uneven terrain. Hiking boots, on the other hand, usually have a lower, ankle-height design, prioritizing flexibility and a lighter feel for agility on trails. The lower profile also aids in better feel and sensitivity to the terrain.

Sole construction further distinguishes the two. Tactical boots often feature stiffer, more robust soles designed for stability on various surfaces, including concrete and rough terrain, sometimes incorporating steel shanks for enhanced puncture resistance. Hiking boots tend to have more flexible soles offering greater comfort and adaptability to uneven trails, often employing advanced tread patterns for optimal grip on varied surfaces. Consider the specific type of terrain you’ll encounter when making your selection; a stiff sole is ideal for stability but compromises comfort during long hikes.

Finally, features often reflect the intended use. Tactical boots may include features like reinforced toes, extra eyelets for tighter lacing, and compatibility with orthotics. Hiking boots might prioritize features like waterproof membranes, gusseted tongues to keep out debris, and a lighter overall weight for increased comfort during prolonged use.

What’s the difference between trail shoes and hiking shoes?

Trail running shoes and hiking shoes serve distinct purposes, impacting performance and comfort significantly. The key differentiator lies in stiffness and sole design. Hiking shoes prioritize stiffness. This robust construction provides excellent support and stability, efficiently transferring energy across uneven terrain like roots and rocks. The shoe absorbs much of the impact, reducing strain on your feet and ankles. This makes them ideal for carrying heavier loads and tackling challenging, technical trails. Conversely, trail running shoes often feature a more flexible sole and aggressive, deeply-lugged outsoles. These designs are optimized for speed and agility, providing exceptional grip on muddy or loose surfaces. The deep lugs, almost “dagger-like” in some models, excel at penetrating soft ground, offering superior traction during runs. However, this flexibility means less support compared to hiking boots, potentially leading to fatigue on lengthy, rocky trails. The choice ultimately hinges on your activity: prioritize stiffness and stability for hiking with a pack, while opting for flexibility and aggressive traction for trail running.

Furthermore, consider the weight. Hiking shoes, given their supportive construction, generally weigh more than trail running shoes. This extra weight can be beneficial for stability but may become tiring during extended periods of hiking. Trail running shoes are designed to be lighter, allowing for quicker movement and less fatigue over longer distances. Finally, consider the upper material. Hiking shoes often use durable, more protective materials to shield your feet from abrasion and impact, while many trail running shoes prioritize breathability for comfort during strenuous activities.

What are mountain boots called?

Mountaineering boots are the go-to footwear for serious ascents. Unlike rigid ski boots, they offer a crucial balance of stiffness for stability on ice and snow, and flexibility for efficient hiking and snowshoeing. This versatility makes them surprisingly adaptable beyond mountaineering. I’ve personally tested several pairs, and the key features to look for are a robust, waterproof outer shell (leather or synthetic, depending on preference and budget), a supportive, insulated liner for warmth in frigid conditions, and a stiff yet responsive sole providing excellent grip on various terrains. Consider crampon compatibility—a must-have for ice climbing—and features like a gaiter attachment to keep snow and debris out. While some models prioritize lightweight design for agility, others emphasize maximum insulation for extreme cold. The choice depends heavily on your specific needs and the type of mountaineering you’ll be undertaking. Remember to break them in thoroughly before embarking on any challenging climbs to avoid blisters and discomfort.

Durability is paramount. High-quality mountaineering boots are an investment, often lasting for years with proper care. Look for materials resistant to abrasion and puncture. A well-maintained pair will significantly impact your safety and enjoyment on the mountain. While initial cost may seem high, the longevity and safety benefits far outweigh the expense, particularly considering the potential hazards of inadequate footwear in harsh conditions. Features like a well-designed heel counter and a supportive midsole are critical for ankle stability and reducing fatigue during long days on the trail. Finally, proper fitting is absolutely essential. An ill-fitting boot can lead to serious foot problems, compromising your performance and safety. Professional fitting from an experienced retailer is highly recommended.

Is it better to have loose or tight hiking boots?

The ideal fit for hiking boots lies in a comfortable balance. They should feel snug and supportive, cradling your foot securely without constricting blood flow. Avoid boots that feel tight, even initially, as this can lead to blisters and discomfort on the trail. A slightly looser fit allows for some natural foot swelling that occurs during extended hikes, especially in warmer temperatures. Consider wearing thicker hiking socks during fitting to accurately simulate trail conditions. Remember, break-in time is crucial. New boots will require some wear to mold to your feet; expect some initial stiffness.

Proper lacing is key to achieving the perfect fit. Experiment with different lacing techniques to optimize support and comfort in specific areas of your foot. For example, tighter lacing around the instep can provide better arch support. A loose fit around the toes allows for wiggle room, preventing pressure points and improving circulation. Don’t underestimate the importance of a properly fitted insole; it can significantly enhance comfort and support.

Ultimately, the best way to determine the optimal tightness is through careful consideration of your individual foot shape and the specific features of the boots. Walking around the store for several minutes with the boots laced is essential before making a purchase. Prioritize comfort and support above all else; neglecting this can significantly impact your enjoyment and safety on the trail.

What are mountaineering boots called?

OMG, you guys, mountaineering boots! They’re not just boots, they’re serious boots! We’re talking mountaineering, expedition, or high-altitude boots – the holy trinity of footwear for conquering those epic peaks.

These aren’t your average hiking boots; these babies are designed for seriously harsh terrain. Think unforgiving ice, jagged rocks, and snow drifts that’d swallow a small car. They’re built to handle it all.

Here’s the lowdown on what makes them so amazing:

Stiff soles: Provides crucial ankle support and stability on uneven ground. Essential for preventing those nasty twists and sprains.
Durable construction: Made from super tough materials like leather and nylon, built to withstand abuse. Think years of adventures!
Insulation: Keeps your tootsies toasty warm even in freezing temperatures. No more frostbite fashion faux pas!
Waterproof membranes: Keeps your feet dry, even if you’re wading through a glacier melt (don’t do that, though). Gore-Tex is a popular choice!
Aggressive tread: Provides excellent grip on ice and snow. Think ice climbing – these boots are your best friend.

Must-have features to look for:

Breathability: Look for boots with good ventilation to prevent sweaty feet.
Crampon compatibility: Essential for serious ice climbing; makes sure they have the right attachments.
High-cut design: Provides extra ankle support and protection from debris.

Seriously, these boots are an investment, but a worthwhile one for any serious mountaineer. They’re the ultimate in performance and durability – you’ll be styling on the mountaintops in no time!

Can I use hiking boots for mountaineering?

While hiking boots might seem like a cost-effective alternative, they’re simply not optimized for the extreme conditions of mountaineering. Think of it like using a standard smartphone camera to shoot a professional-grade documentary – you might get *something*, but the results won’t compare to specialized equipment. Hiking boots lack the crucial features necessary for tackling icy slopes and traversing glaciers. Mountaineering boots, on the other hand, are built with features like stiffer soles for better crampon compatibility, insulation to withstand freezing temperatures, and enhanced ankle support to prevent injury on challenging terrain. They’re essentially the equivalent of a high-end DSLR for your feet.

The superior ankle support offered by mountaineering boots is critical in preventing sprains and other injuries. This enhanced stability is achieved through a higher cut design and reinforced materials. Furthermore, the stiffer sole provides better power transfer when using crampons, crucial for ascending and descending icy and snowy slopes. Crampons themselves represent another crucial piece of the mountaineering puzzle, and they need a sturdy, rigid boot to work effectively. Using hiking boots with crampons can be unsafe and ineffective.

Investing in a dedicated pair of mountaineering boots allows you to optimize your gear for the specific task. This allows for greater efficiency and safety. You wouldn’t use a power drill to hammer a nail, would you? Similarly, using hiking boots for mountaineering increases the risk of accidents. The smart approach? Get dedicated boots for each activity. Keep your hiking boots for backpacking trips where comfort and flexibility are prioritized, and reserve your mountaineering boots for the serious business of summiting peaks.

What is an all mountain boot?

All-mountain ski boots are the ultimate jack-of-all-trades. They cleverly blend the precision of carving boots with the forgiveness and power transmission needed for freeriding. This makes them incredibly versatile, suitable for skiers of all abilities – from tentative beginners finding their feet to expert shredders tackling challenging terrain.

What makes them so adaptable?

Balance of stiffness and flex: All-mountain boots typically offer a medium flex rating, providing enough support for powerful carving yet remaining forgiving enough to handle variable snow conditions and less-than-perfect technique. The flex rating is crucial; a lower number indicates a softer flex (better for beginners and lighter skiers), while a higher number indicates a stiffer flex (for advanced skiers and those who prefer more aggressive skiing).
Versatile last shape: The boot’s last (the shape of the inner liner) influences comfort and performance. All-mountain boots usually have a medium-width last, catering to a wide range of foot shapes and providing a balance between precision and comfort.
Enhanced maneuverability: The design allows for easy transitions between edge-to-edge carving and navigating variable terrain. The responsive feel gives skiers the control they need in all conditions.
Often include a walk mode: Many modern all-mountain boots incorporate a walk mode mechanism. This feature allows for greater range of motion, making navigating the resort, traversing between runs, or tackling short hikes significantly easier and more comfortable. This is a huge advantage for those exploring backcountry or simply wanting to reduce exertion when walking.

Choosing the right all-mountain boot:

Consider your skill level and skiing style: Beginners will likely prefer a softer flex, while experts may opt for a stiffer one. Your preferred type of skiing (mostly groomed runs or venturing off-piste) will also influence the choice.
Get professionally fitted: This is crucial for comfort and performance. A proper boot fit prevents injuries and maximizes control.
Read reviews and compare models: Pay attention to features like the walk mode, liner warmth, and overall comfort level.

In short: All-mountain ski boots represent a smart investment for skiers who desire versatility and performance across a wide range of snow conditions and terrain. They are the ultimate tool for those who want one boot to rule them all.

What makes a boot a mountaineering boot?

Mountaineering boots are a serious upgrade from hiking boots! They’re significantly taller for better ankle support and protection from snow and debris. The stiffness is crucial – it provides stability on uneven terrain and helps prevent foot fatigue during long, strenuous ascents. Expect serious insulation, keeping your feet warm in freezing conditions. Materials vary widely: Traditional leather offers breathability and durability, while plastic (often a hard-wearing shell) and synthetics like Kevlar provide lightweight strength and waterproofness. Look for features like crampon compatibility (essential for ice climbing!), Vibram soles for excellent grip, and a comfortable, supportive fit. Pay close attention to reviews and consider the specific conditions you’ll be facing – different boots excel in different environments (alpine climbing, ice climbing, etc.). Don’t skimp on quality here; your feet will thank you (or not!).

How to choose a hiking boot?

OMG, choosing hiking boots is SO important! They’re the foundation of an epic adventure, you know? Snug fit is key – think second skin, not sausage casing. No pinching or tightness anywhere! You NEED room to wiggle those toes – crucial for preventing blisters, the bane of every hiker’s existence!

Try them on late in the day, after your feet have swollen from a long day of, like, shopping or whatever. And wear the exact socks you’ll be hiking in. Seriously, don’t even *think* about wearing thin cotton socks if you plan on merino wool. The difference is HUGE!

Know your size? Yeah, right! Sizing varies wildly between brands. Some brands run narrow, some wide. Read reviews, consult fit guides – it’s like a treasure hunt! And don’t be afraid to go up half a size if you’re between sizes. Trust me on this one, blisters are NOT a good look.

Consider the terrain! Lightweight boots for smooth trails, sturdy, ankle-supporting boots for rocky climbs. Think about the weather too – waterproof or breathable? It’s a whole thing. The more you research, the better your boots – and your hiking experience – will be!

Don’t forget to break them in! Seriously, don’t wear your brand new hiking boots on a 20-mile trek! Wear them around the house, for short walks. This prevents those nasty blisters! And get those fancy insoles – game changer!

Are hiking boots overkill?

Hiking boots? Overkill? Maybe, darling! It all depends, sweetie. Let’s break it down!

Ankle Support: Hiking boots are the undisputed queens of ankle support. Think of them as the ultimate bodyguard for your precious ankles – crucial if you’re tackling gnarly terrain or carrying a heavy pack. But, if your ankles are already rock-solid and you’re just strolling along a pretty easy path with a lightweight bag… well, then…

Trail Runners: Enter the trail runner – the sleek, stylish alternative! They’re much lighter, more flexible, and oh-so-comfortable for less strenuous hikes. Think of them as the perfect everyday ankle support for those who are only going on light hikes. Perfect for those Instagram-worthy shots!

When Hiking Boots Reign Supreme:

Serious terrain: Rocky trails, steep inclines, uneven surfaces – you need that extra ankle support!
Heavy pack: Carrying a lot of weight? Hiking boots provide the stability you need.
Ankle issues: If you’ve had previous ankle injuries, hiking boots offer superior protection.

When Trail Runners are the Way to Go:

Gentle to moderate terrain: Easy trails, smooth paths – trail runners offer comfort and agility.
Light pack: If you’re just carrying essentials, you don’t need the bulk of a hiking boot.
Strong ankles: If your ankles are in tip-top shape, trail runners allow for more natural movement.

Pro-Tip: Consider the materials! Leather boots offer superior protection and durability but need breaking in. Synthetic boots are lighter and dry faster, but might not last as long. Same goes for trail runners! Find the perfect material that works for your life.

Bonus Tip: Don’t forget the socks! Moisture-wicking hiking socks are a must-have for both hiking boots and trail runners to prevent blisters – a total fashion emergency!

Are Hokas good for hiking?

Hoka’s maximalist cushioning is a game-changer for hiking, especially on longer trails. I’ve tried several pairs, and the difference in comfort compared to my previous hiking boots is night and day. My feet feel significantly less fatigued, even after strenuous all-day hikes. While not ideal for technical scrambling due to their bulk, they excel on well-maintained trails and offer superb shock absorption, protecting my joints from the constant pounding. The wider base provides great stability, reducing ankle rolls. However, be aware that the high stack height can affect proprioception (your sense of foot placement) initially, requiring a short adjustment period. For long-distance hiking prioritizing comfort and minimizing impact, they’re unbeatable. But consider a lighter option for more technical terrain.

How are mountaineering boots different?

Mountaineering boots stand apart from their hiking counterparts in several key aspects. Crucially, they’re designed for extreme conditions and technical climbs, demanding significantly more robust construction.

Height and Stiffness: Unlike hiking boots, mountaineering boots boast a taller shaft for superior ankle support and protection against snow and ice. Their stiffer soles, often incorporating a rigid shank, provide crucial stability on uneven and icy terrain. This stiffness is essential for efficient crampon attachment and reliable performance when traversing glaciers or steep slopes.

Insulation: Exceptional insulation is paramount in mountaineering boots. Thicker layers of insulation, frequently employing materials such as Thinsulate or PrimaLoft, protect against freezing temperatures encountered at high altitudes. The level of insulation often dictates the boot’s suitability for specific temperature ranges and climbing styles.

Materials: While traditional leather remains a popular choice for its durability and breathability, modern mountaineering boots increasingly utilize advanced synthetic materials. These include high-performance plastics offering lightweight strength and water resistance, and robust synthetics such as Kevlar for enhanced durability in challenging conditions.

Key Considerations for Purchase:

Intended Use: Consider the specific type of mountaineering you’ll be undertaking – ice climbing requires different boot features than alpine trekking.
Fit: Proper fit is critical for comfort and performance. Allow ample space for thick mountaineering socks while ensuring a snug, secure fit to avoid slippage.
Crampon Compatibility: Ensure the boots are compatible with the type of crampons you intend to use (automatic, semi-automatic, or strap-on).

Types of Mountaineering Boots:

Plastic Mountaineering Boots: Extremely stiff, offering superior support and protection, ideal for extreme cold and technical climbing.
Leather Mountaineering Boots: Offer excellent durability and breathability, often chosen for less extreme conditions and those prioritizing comfort during longer expeditions.
Synthetic Mountaineering Boots: Combine lightweight performance with water resistance and durability. An increasingly popular choice for a balance between weight and performance.