Active Base Layers

Gear up for your next adventure with our versatile active base layers, designed to keep you comfortable and ready for anything. Whether you're hitting the trails or enjoying a casual day outdoors, these essential wardrobe staples provide the perfect foundation for layering. With a focus on quality and durability, our active base layers offer lasting value and timeless style, ensuring that you stay warm and cozy in any setting. Embrace the outdoors with confidence, knowing that your base layers are built to perform and enhance your experience every step of the way.

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298 Items

Women's Silk Underwear, Pants

A lightweight, cream-colored silk base layer providing breathable warmth without bulk for women.

Pros: Soft and smooth fabric Versatile use Breathable warmth Lightweight and thin Comfortable fit
Men's Adventure Grid Fleece, Quarter-Zip

A blue quarter-zip fleece with UPF 50+ protection, made from a moisture-wicking polyester blend.

Pros: High quality Great warmth Lightweight design Stylish color Comfortable fit
Women's Silk Underwear, Scoopneck

A cream-colored, 100% silk long-sleeve undershirt offering comfortable warmth without bulk.

Pros: Great fit Lightweight Warmth Silky feel Comfortable
Men's L.L.Bean Midweight Base Layer Pants
Price was from: $49.95 now: $29.99

A blue synthetic base layer pant that wicks moisture, resists odor, and offers comfortable stretch.
Men's Cresta Wool Midweight 250 Crew Top

A versatile merino wool base layer that wicks sweat, resists odor, and keeps you warm.

Pros: Durable fabric Comfort Warmth Softness Good fit
Men's Silk Underwear, Pants

A strong, lightweight black silk base layer offering warmth and comfort without added bulk.

Pros: Great fit Quality Warmth Comfortable Versatile for weather
Men's Cresta Midweight 250 Pants

A versatile base layer made of dark black, itch-free merino wool that wicks sweat and resists odor.

Pros: Odor-resistant Great color Versatile use Excellent warmth Comfortable fit
Women's Silk Underwear, Turtleneck

A lightweight, black silk turtleneck providing breathable warmth without bulk, perfect under casual or active outfits.

Pros: Soft and warm Excellent customer service Thin and comfortable Great turtleneck fit Lightweight and warm
Men's Silk Underwear, Crewneck

A lightweight black silk crewneck providing strong, comfortable warmth as a perfect base layer.

Pros: Durable Comfortable Warm Great for travel Feels like real silk
Men's Double-Layer Underwear, Pants
Price was from: $49.95 now: $24.99

A gray wool-blend thermal pant featuring double-layer warmth for men.
Women's Cresta Midweight 250 Pants, High-Rise Slim-Leg

A high-rise, slim-leg base layer made of 100% merino wool, perfect for warmth and odor resistance.

Pros: Great fit High-quality fabric Non-itchy material Comfortable to wear Excellent warmth
Men's Double-Layer Underwear, Crewneck
Price was from: $49.95 now: $24.99

A gray wool-blend crewneck sweatshirt featuring double-layer thermal construction for superior warmth.
Men's Cresta Midweight 250 Quarter-Zip Top

A versatile merino wool base layer in saddle heather, featuring a quarter-zip and thumbhole cuffs.

Pros: Convenience Keeps you warm Comfort Durability Versatility
Women's Cresta Midweight 250 Crew Top

An eggplant heather merino wool crew top that wicks sweat, resists odor, and keeps you warm.

Pros: Great fit Breathable fabric High quality Soft and comfortable Excellent warmth
Women's L.L.Bean Fleece Base Layer Pants, Mid-Rise
Price was from: $44.95 now: $34.99

A warm, cozy mid-rise base layer made from recycled polyester in faded sage, perfect for winter activities.

Pros: Great fit High comfort Good thickness Excellent warmth Casual style
Women's L.L.Bean Heavyweight Base Layer Pants
Price was from: $59.95 now: $39.99

A heavyweight green base layer pant made from recycled polyester, offering warmth, odor control, and moisture-wicking comfort.
Women's Cresta Midweight 250 T-Zip Top

An eggplant heather midweight merino wool top that wicks sweat, resists odor, and keeps you warm.

Pros: Good quality Warmth True to size Versatile Comfortable
Men's Cresta Ultralight 150 Crew Top

An alloy gray, 100% merino wool crew top offering lightweight warmth and comfort for all-season activities.

Pros: Soft material Warmth Good fit Comfortable Versatility
Women's Cresta Ultralight 150 Crew Top

An alloy gray, form-fitting crew top made of 100% merino wool, perfect as a lightweight base layer.

Pros: Not itchy Lightweight Warmth Versatile Comfortable
Men's Cresta Wool Ultralight 150 Pants

An ultralight base layer made of 100% merino wool, offering warmth and odor resistance in alloy gray.

Pros: Stylish design Lightweight feel Durable material Warm without bulk Comfortable fit
Women's L.L.Bean Simple Soft Base Layer, Crew

A lightweight, moisture-wicking synthetic base layer with thumbholes, perfect for everyday warmth and easy layering.

Pros: Great fit Smooth fabric Softness Dino style Material
Women's Cresta Ultralight 150 Crew Top, Short-Sleeve
Price was from: $69 now: $29.99

An alloy gray, short-sleeve base layer made from 100% merino wool, perfect for transitioning seasons.

Pros: Great color Lightweight and versatile High-quality fabric Comfortable wool material Excellent warmth
Women's Cresta Ultralight 150 Pants, High-Rise Slim-Leg

A high-rise, slim-leg base layer made of 100% merino wool, providing warmth and comfort year-round.
Women's L.L.Bean Simple Soft Base Layer, Pants

A lightweight, moisture-wicking synthetic base layer pant in dark black, perfect for everyday warmth and comfort.

Pros: Adds extra warmth Lightweight Softness Good fit Comfortable

Active Base Layers

When it comes to making the most of your time outdoors, having the right base layer can make all the difference. Active base layers are the unsung heroes of any wardrobe, designed to keep you comfortable and ready for whatever the day brings—whether you’re heading out for a brisk morning walk, planning a weekend hike with friends, or gearing up for a family camping trip. As spring gives way to warmer days and cooler nights, base layers become especially versatile. They offer lightweight warmth on early mornings, wick away sweat during midday activity, and provide that extra bit of comfort when the sun dips below the treetops. The beauty of a well-chosen base layer is in its adaptability: layer it under a favorite fleece for an evening by the fire pit, or wear it on its own for a sunrise paddle on the lake. With soft, breathable fabrics that move with you, these essentials are built to help you stay dry and comfortable, no matter how you spend your time outside.

Choosing the right active base layer is about more than just picking a style; it’s about finding lasting value and comfort that fits seamlessly into your everyday adventures. Look for materials that feel good against the skin, with flat seams that help reduce chafing on longer outings and just the right amount of stretch for freedom of movement. Moisture-wicking and quick-drying properties are key, helping to keep you feeling fresh from the first step to the last. Whether you’re shopping for yourself or looking for a thoughtful gift for someone who loves to stay active—think of the friend who’s always up for a morning run or the family member who enjoys cool-weather walks—these base layers are a welcome addition to any closet. They’re also a great choice for kids heading off to summer camp or anyone who likes to keep a light, packable layer on hand for unpredictable weather. And with timeless colors and styles, it’s easy to find something that suits every taste, including a wide selection of Blue Base Layers that bring a fresh, classic look to any outdoor activity.

There’s something special about pulling on a favorite base layer before heading outside—the anticipation of a new adventure, the promise of comfort no matter where the day leads. These pieces are designed to be as durable as they are comfortable, standing up to repeated wear and washing while maintaining their shape and softness. They’re easy to care for and even easier to wear, making them a practical choice for busy families, seasoned explorers, and anyone who appreciates reliable gear that’s always ready to go. As you plan your next outing—whether it’s a neighborhood bike ride, a trail run, or simply enjoying the backyard—having a dependable base layer means you can focus on what matters most: enjoying the outdoors, connecting with loved ones, and creating lasting memories in every season.

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Active Base Layers