Inside Lightweight Jacket Packable: Key Features, Technical Standards, and Industrial Applications

Types of Lightweight Jackets

A lightweight jacket is an essential piece of outerwear designed for portability, versatility, and comfort. These jackets are engineered to be easily packed into a pocket or small bag, making them ideal for travel, outdoor adventures, or everyday urban wear. Whether you're hiking a mountain trail, commuting to work, or enjoying a weekend camping trip, there’s a packable jacket suited to your needs.

Lightweight jackets are categorized by their materials, construction, and intended function—each type offering unique benefits depending on weather conditions, activity level, and personal preference. Below is a detailed breakdown of the most common types of packable jackets available today.

Rain Packable Jackets

Engineered to protect against rain and moisture, these jackets use water-repellent fabrics or waterproof laminates (like PU coatings or eVent membranes) to create a reliable barrier against wet conditions.

Advantages

• Effective protection from rain and drizzle
• Often breathable to reduce internal condensation
• Compact and easy to pack when not in use
• Features like taped seams, hoods, and adjustable cuffs enhance weather resistance

Limitations

• Can feel clammy in humid conditions
• Limited insulation value
• May require reapplication of DWR (durable water repellent) treatment over time

Best for: Hiking, urban commuting, festivals, and any activity where sudden rain is a concern

Insulated Packable Jackets

Designed for warmth in cool weather, these jackets use lightweight synthetic insulation (like PrimaLoft® or Thinsulate™) or down alternatives that compress easily without losing loft.

Advantages

• Excellent warmth-to-weight ratio
• Highly compressible for compact storage
• Ideal for layering under shells or over base layers
• Many models include water-resistant outer shells

Limitations

• Can overheat during high-intensity activities
• Synthetic fills may degrade over time with compression
• Premium down versions can be expensive and lose insulation when wet

Best for: Cold-weather layering, backpacking, fall/spring wear, and outdoor sports in chilly conditions

Softshell Jackets

Made from flexible, stretchable fabrics with wind-resistant and water-repellent properties, softshells offer comfort and mobility for active use in mild to moderate conditions.

Advantages

• Superior breathability and freedom of movement
• Wind-resistant and light moisture protection
• Comfortable next-to-skin feel
• Durable for frequent outdoor use

Limitations

• Not fully waterproof in heavy rain
• Less insulation than dedicated winter jackets
• May require additional layers in cold weather

Best for: Hiking, climbing, trail running, and transitional-season activities

Hardshell Jackets

The ultimate in weather protection, hardshells are constructed with advanced waterproof, windproof, and breathable membranes such as Gore-Tex®, eVent, or proprietary branded fabrics.

Advantages

• Superior protection in extreme weather
• Breathable technology manages moisture during exertion
• Durable and long-lasting with proper care
• Often packable despite robust construction

Limitations

• Higher price point
• Stiffer fabric reduces flexibility
• Requires maintenance (e.g., cleaning and reproofing)

Best for: Mountaineering, skiing, backpacking in wet climates, and severe weather conditions

Fleece Jackets

Known for their soft texture and excellent warmth, fleece jackets are made from polyester-based fabrics that trap heat efficiently while remaining lightweight and packable.

Advantages

• Warm even when damp
• Quick-drying and breathable
• Soft, comfortable feel
• Often highly compressible with modern designs

Limitations

• Not windproof or waterproof without a shell
• Can generate static and attract lint
• Less durable than hardshell or softshell materials

Best for: Casual wear, layering under shells, camping, and cool-weather outdoor activities

DWR-Treated Windbreakers

Simple, stylish, and functional, these jackets feature a durable water-repellent (DWR) coating over a lightweight shell, offering basic protection from wind and light rain.

Advantages

• Ultra-lightweight and highly packable
• Effective against wind and light showers
• Versatile for daily wear and casual outings
• Available in a wide range of colors and styles

Limitations

• Limited weather protection in heavy rain
• DWR coating wears off over time and needs reapplication
• Minimal insulation value

Best for: Everyday urban wear, cycling, jogging, and as an emergency layer in unpredictable weather

Type	Weather Protection	Breathability	Packability	Best Use Case
Rain Jackets	High (Waterproof)	Medium to High	Excellent	Wet conditions, hiking, travel
Insulated Jackets	Medium (Water-Resistant)	Medium	Excellent	Cold weather, layering, camping
Softshell Jackets	Medium (Wind/Water-Repellent)	High	Good	Active wear, transitional seasons
Hardshell Jackets	Very High (Fully Waterproof)	High (with membrane tech)	Good to Excellent	Extreme weather, mountaineering
Fleece Jackets	Low (No inherent weather protection)	High	Excellent	Layering, casual wear, warmth
Windbreakers (DWR)	Low to Medium	Medium	Excellent	Daily use, light protection, emergencies

Expert Tip: For maximum versatility, consider a layering system: wear a moisture-wicking base layer, add a fleece or insulated jacket for warmth, and top it off with a waterproof shell. This modular approach adapts to changing conditions and keeps you comfortable across a wide temperature range.

Materials Used in Lightweight Packable Jackets: A Comprehensive Guide

Lightweight packable jackets are essential for outdoor enthusiasts, travelers, and everyday wear due to their convenience and performance. The choice of materials plays a crucial role in determining a jacket’s comfort, durability, weather resistance, and packability. Understanding the properties of each fabric and insulation type allows users to make informed decisions based on their specific needs—whether it's hiking in rainy conditions, traveling with limited luggage space, or seeking eco-friendly options.

Key Materials in Lightweight Jacket Construction

Nylon: Strength Meets Lightweight Design

Nylon is one of the most widely used fabrics in high-performance packable jackets. Known for its excellent strength-to-weight ratio, nylon offers superior durability while remaining exceptionally light. Ripstop nylon, a reinforced variant, features a crosshatch weave that prevents tears from spreading, making it ideal for rugged outdoor use.

Many nylon jackets are treated with a Durable Water Repellent (DWR) finish, which causes water to bead up and roll off the surface, enhancing resistance to light rain and moisture. Its smooth texture also contributes to easy folding and compact storage—often into an internal pocket or attached pouch—making it a favorite for travel and emergency layers.

Polyester: Affordable, UV-Resistant, and Versatile

Polyester is a cost-effective alternative to nylon, offering similar lightweight properties at a lower price point. It is inherently resistant to stretching and shrinking, maintaining its shape over time. One of polyester’s standout features is its natural resistance to ultraviolet (UV) radiation, making it an excellent choice for sun protection during prolonged outdoor exposure.

Like nylon, polyester is highly packable and quick-drying, ideal for active use in variable conditions. It is often used in base layers, shells, and blended fabrics to enhance performance. While slightly less durable than nylon, modern weaving techniques have significantly improved its resilience, making it a reliable option for everyday and recreational wear.

Membrane Fabrics: Advanced Weather Protection

High-end packable jackets often incorporate membrane technologies such as Gore-Tex, eVent, or proprietary branded membranes. These materials utilize a microporous film that blocks liquid water from entering while allowing internal moisture vapor (sweat) to escape—providing both waterproofing and breathability.

This dual functionality makes membrane-lined jackets ideal for intense activities in wet or windy environments, such as mountaineering, trail running, or cycling. However, the added technology increases both weight and cost compared to non-membrane shells. Despite this, many modern versions are engineered to remain highly packable, striking a balance between protection and portability.

Down Insulation: Unmatched Warmth and Compressibility

Down insulation, typically derived from goose or duck feathers, is renowned for its exceptional warmth-to-weight ratio. It traps air efficiently, providing superior thermal insulation without adding bulk. High-fill-power down (e.g., 600–900 fill) is especially compressible, allowing insulated jackets to pack into small spaces—perfect for backpacking or emergency use.

However, traditional down loses its insulating properties when wet. To mitigate this, many manufacturers use hydrophobic down treatments or pair down with DWR-treated outer shells to improve moisture resistance. While more expensive than synthetic alternatives, down remains the gold standard for lightweight warmth in dry or moderately damp conditions.

Synthetic Insulation: Performance in Wet Conditions

Synthetic insulations—often made from polyester fibers—are engineered to mimic the loft and warmth of down while offering superior performance in wet environments. Brands like PrimaLoft®, Thermolite®, and Coreloft™ produce lightweight, quick-drying fill materials that retain warmth even when damp.

While synthetic insulation is generally heavier and less compressible than down, it is more affordable, hypoallergenic, and easier to care for. It’s an excellent choice for humid climates, water-based activities, or for those seeking vegan-friendly alternatives. Modern advancements continue to close the performance gap between synthetic and down fills.

Fleece: Soft, Warm, and Eco-Friendly

Fleece is a knitted fabric made primarily from polyester, valued for its soft texture, breathability, and insulating properties. It provides moderate warmth without excessive weight and is often used as a mid-layer in layering systems or as a standalone jacket for mild conditions.

One of the most sustainable aspects of fleece is its compatibility with recycled materials. Many manufacturers now produce jackets using pre- and post-consumer recycled polyester, reducing reliance on virgin plastics and lowering environmental impact. While not inherently water-resistant, some fleece jackets include wind-resistant or water-repellent finishes for added versatility.

Material	Key Benefits	Limitations	Best For
Nylon	Lightweight, durable, ripstop options, DWR-treated, highly packable	Can degrade under prolonged UV exposure if untreated	Travel, hiking, emergency rain shells
Polyester	Affordable, UV-resistant, quick-drying, recyclable	Less abrasion-resistant than nylon	Everyday wear, sun protection, eco-conscious users
Membrane Fabrics (e.g., Gore-Tex)	Waterproof, breathable, windproof	Higher cost, slightly heavier, requires care to maintain performance	Heavy rain, extreme weather, technical outdoor activities
Down Insulation	Best warmth-to-weight ratio, highly compressible	Loses insulation when wet, higher cost, not vegan	Cold, dry climates; backpacking; minimalist packing
Synthetic Insulation	Retains warmth when wet, affordable, vegan	Bulkier and heavier than down, less durable over time	Wet environments, humid climates, water sports
Fleece	Soft, breathable, warm for weight, often made with recycled content	Not windproof or waterproof unless treated	Casual wear, layering, eco-friendly apparel

Choosing the Right Material for Your Needs

Dry & Cold Conditions: Opt for down-insulated jackets with a nylon shell for maximum warmth and minimal pack size.

Wet or Humid Climates: Choose synthetic insulation or membrane-protected shells for reliable performance in moisture.

Sun-Intensive Environments: Select polyester-based jackets with UV protection for prolonged outdoor exposure.

Eco-Conscious Consumers: Look for fleece or polyester jackets made with recycled materials and sustainable manufacturing practices.

Multi-Use & Durability: Ripstop nylon with a DWR coating offers a balanced mix of strength, weather resistance, and packability.

Important: Always check care labels and manufacturer recommendations when cleaning and storing your packable jacket. Improper washing (e.g., using fabric softeners on DWR-treated fabrics) can damage water-repellent coatings or compress insulation. Regular reapplication of DWR treatments can extend the life and performance of your jacket. Proper storage—loosely packed rather than compressed long-term—helps maintain loft and fabric integrity.

How to Choose Lightweight Jackets

Lightweight, packable jackets are essential for modern lifestyles—designed to be compact, portable, and ready for unpredictable weather. Whether you're commuting, traveling, hiking, or simply stepping out for the day, the right jacket can enhance comfort and protection without adding bulk. Choosing the best option involves balancing weather resistance, activity needs, fit, and portability.

Weather Conditions

The primary purpose of a jacket is to protect against the elements, so understanding the expected weather is crucial when selecting a lightweight outer layer.

• Wind Protection: For breezy or windy conditions, a windbreaker or ultra-light shell made from tightly woven nylon or polyester offers excellent protection. These materials are highly breathable and ideal for daily wear.
• Rain Resistance: In wet weather, opt for a packable hardshell or rain jacket with durable water-repellent (DWR) coating, sealed seams, and an adjustable hood. Look for waterproof-breathable membranes like Gore-Tex or proprietary equivalents for long-term performance.
• Variable Climates: Layer-friendly jackets with minimal insulation work best in transitional seasons, allowing you to adjust based on temperature changes throughout the day.

Key insight: Always check if the jacket has taped seams and a proper hood—two features that significantly improve real-world weather protection.

Intended Activity

Different activities demand different performance characteristics. Matching your jacket to your lifestyle ensures optimal functionality and comfort.

• Hiking & Trekking: Softshell or fleece-lined packable jackets provide stretch, moderate insulation, and wind resistance. They’re breathable enough for aerobic activity and durable enough for trail use.
• Travel & Urban Commuting: A sleek, water-resistant packable jacket with a minimalist design fits easily into a backpack and transitions well from outdoor walks to indoor environments.
• Extreme Conditions: For cold-weather adventures, consider insulated packable jackets filled with synthetic or down materials. Modern designs compress into small stuff sacks, making them easy to carry until needed.
• Running & High-Motion Activities: Look for articulated sleeves, underarm vents, and moisture-wicking fabrics that enhance mobility and regulate body temperature.

Pro tip: Prioritize breathability and freedom of movement for active use—avoid overly stiff or non-stretch materials.

Comfort, Fit, and Wearability

Since lightweight jackets are often worn for extended periods, comfort is just as important as performance.

• Choose jackets with moisture-wicking linings to prevent clamminess during physical activity.
• Ensure a relaxed but not baggy fit—enough room for layering over a sweater or hoodie, especially in cooler weather.
• Adjustable features like drawstring hems, Velcro cuffs, and helmet-compatible hoods allow customization to block wind and rain effectively.
• Flatlock seams and soft collar linings reduce chafing and irritation, enhancing long-term comfort.

Critical factor: Try the jacket on while wearing typical layers to assess real-world fit and range of motion.

Packability and Weight

The defining feature of these jackets is their ability to stow compactly, making them ideal for travel, emergencies, or sudden weather shifts.

• Many packable jackets can be folded into their own pocket or a built-in pouch—some even come with carabiner loops for attaching to bags.
• Ultra-light models weigh as little as 6–12 ounces (170–340g), making them nearly unnoticeable in a pack.
• However, extreme compactness may come at the cost of features—some ultra-minimalist jackets lack hoods, pockets, or robust zippers to save weight.
• Consider whether you need full functionality or just emergency protection when choosing between feature-rich and minimalist designs.

Smart choice: Balance portability with usability—opt for jackets that pack small but still include essential features like a hood and secure closure.

Expert Recommendation: For most users, a mid-weight, water-resistant packable jacket with a hood and decent breathability offers the best versatility. It performs well across urban, travel, and light outdoor scenarios without sacrificing too much durability or comfort. If you frequently face rain or cold, invest in a higher-tier model with advanced materials and construction—it will last longer and perform better when it matters most.

Use Case	Jacket Type	Key Features	Pack Size
Daily Commute	Windbreaker / Lightweight Shell	Breathable fabric, zip pocket, packable design	Fits in palm or small pouch
Light Rain / Showers	Waterproof Packable Jacket	DWR coating, taped seams, adjustable hood	Baseball-sized bundle
Hiking / Outdoor Adventure	Softshell or Fleece-Lined Jacket	Stretch fabric, wind-resistant, moisture-wicking	Soccer ball-sized when packed
Cold Weather Backup	Insulated Down or Synthetic Jacket	Compressible fill, stuff sack, wind-resistant shell	Golf ball to grapefruit size

Additional Considerations

• Material Quality: Ripstop nylon and high-denier polyester offer better durability and tear resistance, especially important for outdoor use.
• Eco-Friendly Options: Some brands now offer jackets made from recycled plastics or sustainable materials—ideal for environmentally conscious buyers.
• Pocket Design: Secure zip pockets are valuable for storing small items like keys or phones when the jacket is in use or packed.
• Visibility & Style: Reflective details improve safety in low light, while color and cut influence how well the jacket fits your personal aesthetic.
• Care & Longevity: Jackets with DWR coatings may require periodic re-treatment to maintain water resistance—follow manufacturer care instructions carefully.

Scenarios for Lightweight Jackets: Your Go-To Guide for Packable Outerwear

A packable jacket is more than just a fashion statement—it's a practical, versatile layer that adapts to your lifestyle. Whether you're navigating city streets, exploring mountain trails, or jet-setting across time zones, a lightweight jacket offers comfort, protection, and convenience. Designed to compress into its own pocket or a small pouch, it’s the ultimate solution for unpredictable weather and dynamic daily routines. From hiking in cool mountain air to commuting through sudden downpours, this guide explores the top scenarios where a packable jacket proves indispensable.

Pro Tip: Always check the fabric technology—look for water-resistant, windproof, and breathable materials like ripstop nylon or polyester with DWR (Durable Water Repellent) coating. These features enhance performance and durability without adding bulk.

1. Outdoor Adventures: Hiking, Camping, and Exploration

When you're out in nature, weather can shift rapidly. A packable jacket ensures you're prepared without overloading your backpack. Its compact design allows it to take up minimal space, making it a must-have for hikers, campers, and trail runners.

• Softshell or fleece-lined jackets provide excellent insulation on cool, breezy days, offering warmth while allowing freedom of movement crucial for physical activity.
• Rain-packable or hardshell jackets are ideal for wet conditions. They shield against rain, snow, and wind, keeping you dry and comfortable during extended outdoor exposure.
• Many outdoor jackets feature adjustable hoods, zippered vents, and stretch panels for enhanced comfort and performance in variable terrain.
• Lightweight insulation options like PrimaLoft® or synthetic fills offer warmth even when damp, making them reliable in humid or rainy environments.

2. Urban Commuting and Daily Wear

City life demands adaptability. Between air-conditioned offices, chilly subway platforms, and sudden showers, a packable jacket bridges the gap between indoor and outdoor climates. It's a smart addition to any urbanite’s wardrobe.

• Insulated packable jackets are perfect for early morning commutes or winter walks, providing warmth without the bulk of traditional coats.
• Breathable, water-resistant styles excel in spring and fall, protecting against light rain and wind while preventing overheating during active travel.
• Many commuter-friendly jackets include hidden pockets, reflective details, and sleek silhouettes that transition seamlessly from work to weekend.
• Stow them in a briefcase, tote, or under your office chair—ready to deploy at a moment’s notice when temperatures drop or clouds roll in.

3. Travel: The Ultimate Packing Companion

Whether you're boarding a flight or backpacking across continents, space-saving outerwear is a traveler’s best friend. A packable jacket maximizes luggage efficiency while minimizing weather-related stress.

• Jackets that compress into their own pocket or a built-in pouch save valuable suitcase space, freeing up room for souvenirs or essentials.
• Rain-resistant packables are lifesavers when unexpected storms hit during sightseeing or outdoor excursions abroad.
• Lightweight insulated options are ideal for cold destinations—wear them over layers on freezing tarmacs or during mountain tours.
• Dressier packable styles in neutral tones can double as smart-casual layers for dinners or city tours, reducing the need to pack multiple jackets.
• Many travel jackets include anti-odor treatments, wrinkle-resistant fabrics, and security pockets for added functionality on the go.

4. Casual Outings and Everyday Errands

From dog walks to weekend markets, casual activities often involve brief exposure to the elements. A lightweight jacket enhances comfort without sacrificing style or ease.

• Windbreakers block gusts during bike rides or evening strolls, while remaining ultra-light and quiet in motion.
• Fleece jackets offer cozy warmth for early morning jogs or coffee runs, and many fold into themselves for easy carrying.
• Their relaxed fit and modern designs complement jeans, joggers, or athleisure wear, making them a functional yet fashionable choice.
• Ideal for layering—wear over a t-shirt or under a coat depending on the temperature and activity level.

Scenario	Recommended Jacket Type	Key Features	Top Use Cases
Outdoor Adventures	Hardshell, Softshell, Fleece-Lined	Waterproof, Windproof, Breathable, Packable	Hiking, Camping, Trail Running, Mountain Tours
Urban Commuting	Insulated, Water-Resistant, Windbreaker	Compact, Reflective Details, Hidden Pockets	Subway Rides, Walking to Work, Office to Evening
Travel	Ultra-Packable Rain Jacket, Lightweight Insulated	Stows into Pocket, Wrinkle-Resistant, Multi-Functional	Flights, Backpacking, City Exploration, Cold Climates
Casual Outings	Fleece, Windbreaker, Hybrid Styles	Comfortable, Stylish, Easy to Layer	Dog Walks, Errands, Bike Rides, Weekend Brunch

Expert Tip: Rotate your packable jacket seasonally—use a rain-resistant shell in spring and fall, a fleece in winter, and a breathable windbreaker in summer. This maximizes utility and extends the life of each piece by preventing overuse.

Final Thoughts: Why Every Wardrobe Needs a Packable Jacket

The true value of a lightweight, packable jacket lies in its adaptability. It’s not just about staying dry or warm—it’s about being prepared with minimal effort. Whether you're scaling a trail, navigating rush hour, or exploring a new city, having a compact layer on hand empowers you to move confidently through changing conditions. With advancements in fabric technology and design, today’s packable jackets offer performance, comfort, and style in one efficient package. Invest in a few high-quality options tailored to your lifestyle, and you’ll never leave home unprepared again.

Frequently Asked Questions About Packable Jackets

Q. Are packable jackets truly waterproof?

A: Not all packable jackets are fully waterproof, but many offer varying degrees of water resistance depending on their construction and materials. Here's what you should know:

• Water-Resistant vs. Waterproof: Most lightweight packable jackets are water-resistant rather than fully waterproof. They can handle light rain or drizzle but may not withstand heavy downpours or prolonged exposure.
• Waterproof Technologies: Jackets labeled as "rain packable" or "hardshell" often use advanced features like sealed seams, waterproof membranes (e.g., Gore-Tex or proprietary equivalents), and durable water repellent (DWR) coatings to enhance protection.
• Breathability Trade-Off: While heavier waterproof jackets offer superior protection, they tend to be less breathable. Lighter packable options prioritize breathability and comfort, making them ideal for active use in mild conditions.
• Performance Tip: Reapply DWR treatments periodically to maintain water-shedding performance, especially after washing.

For best results, match the jacket type to your environment—choose a hardshell for stormy weather and a breathable packable shell for variable or light conditions.

Q. What is the easiest way to pack a packable jacket correctly?

A: Most modern packable jackets are designed with convenience in mind, featuring built-in storage pouchs for compact packing. Follow these steps for optimal results:

1. Empty Pockets: Ensure all pockets are empty to avoid bulging or damage during compression.
2. Button or Zip Up: Close all zippers, snaps, or buttons to maintain the jacket’s shape and prevent snagging.
3. Fold or Roll: Lay the jacket flat, fold the arms inward, and roll it tightly from the bottom up to minimize air pockets.
4. Use the Built-In Pouch: Many jackets have a small internal pocket—typically in the lining—that converts into a carrying sack. Insert the rolled jacket into this pouch.
5. Secure & Store: Once packed, clip the jacket to a backpack, stuff it into a travel bag, or carry it in your hand.

Proper packing helps preserve insulation integrity, reduces creasing, and extends the jacket’s lifespan. Avoid over-compressing for long periods if storing, as this can degrade down or synthetic fill over time.

Q. How can the durability of lightweight jackets be enhanced?

A: Lightweight packable jackets are often made from thin, high-performance fabrics that require careful maintenance to ensure longevity. Consider these best practices:

• Follow Care Instructions: Always refer to the manufacturer’s label for washing and drying guidelines—some materials require specific settings or detergents.
• Use Mild Detergent: Harsh chemicals can break down water-repellent coatings and weaken fibers. Opt for technical gear cleaners designed for outdoor apparel.
• Avoid Rough Laundry Companions: Washing with towels, jeans, or items with zippers can cause pilling, snagging, or abrasion. Use a mesh laundry bag for added protection.
• Air Dry When Possible: High heat from dryers can damage membranes and degrade DWR treatments. Tumble dry on low or air dry to preserve fabric integrity.
• Store Properly: Don’t keep the jacket compressed for long durations. When not in use, store it loosely in a cool, dry place to maintain loft and performance.

With proper care, a high-quality packable jacket can last for years, maintaining its water resistance, breathability, and packability.

Q. Can packable jackets be useful in really cold conditions?

A: Yes—certain insulated packable jackets are specifically designed for cold weather and can be highly effective when used correctly:

• Insulation Types: Many cold-weather packable jackets use premium down (e.g., 600-900 fill power) or advanced synthetic insulation that traps body heat efficiently while remaining lightweight and compressible.
• Layering Strategy: Packable jackets excel as mid-layers in a layering system. Wear them under a waterproof shell in extreme cold, or as outer layers during dry, chilly conditions.
• Temperature Ratings: Check the manufacturer’s suggested temperature range. Some insulated packables are rated for sub-freezing conditions, especially when paired with base and mid-layers.
• Wind Protection: Look for jackets with wind-resistant shells to prevent heat loss in breezy environments.
• Portability Advantage: Their ability to pack into a small size makes them ideal for travel, hiking, or emergency use when extra warmth is needed unexpectedly.

For maximum versatility in cold climates, choose a jacket with a high warmth-to-weight ratio and combine it with moisture-wicking base layers and a protective outer shell as needed.