Thermal Base Layers
Stay warm and comfortable no matter where your adventures take you with our collection of thermal base layers. Designed to provide essential warmth and breathability, these versatile pieces are perfect for layering during chilly hikes, frosty mornings, or any cold-weather pursuit. Crafted with quality materials that offer lasting value, our thermal base layers are the ideal choice for anyone seeking reliable protection against the elements. Embrace the outdoors with confidence, knowing you're equipped with durable and easy-to-use layers that keep you cozy and ready for anything.
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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
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Men's Signature Waffle Crew
A slim-fitting, allspice thermal crew made from 100% breathable waffle-knit cotton for cooler weather.
Pros: High quality Great color Warmth Good fit Comfortable waffle knit
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Women's Silk Underwear, Scoopneck
A women's cream silk long-sleeve undershirt offering comfortable warmth without bulk.
Pros: Great fit Soft material Lightweight Silky feel Comfortable warmth
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Men's L.L.Bean Midweight Base Layer Pants
A black synthetic midweight base layer pant that wicks moisture, resists odor, and stretches comfortably.
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Men's Two-Layer Union Suit
A supersoft, charcoal union suit with a wool blend for warmth and nonchafing seams for comfort.
Pros: Functional Fits well Well-made Warmth Comfortable
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Men's Cresta Wool Midweight 250 Crew Top
A versatile dark black merino wool base layer that wicks sweat, resists odor, and keeps you warm.
Pros: Perfect fit Soft and comfortable Durable fabric Available in big and tall sizes Great warmth
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Men's Silk Underwear, Pants
A strong, lightweight pair of black silk pants offering warmth and comfort without added bulk.
Pros: Great fit Warmth Comfortable Well made Versatile for weather
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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
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Women's Silk Underwear, Turtleneck
A lightweight cream silk turtleneck providing breathable warmth without bulk, perfect for layering.
Pros: Excellent customer service Thin and comfortable Good turtleneck fit Soft and warm material Lightweight and warm
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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
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Men's Double-Layer Underwear, Pants
A blue wool-blend thermal pant featuring a double-layer design for superior warmth and comfort.
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Women's Cresta Midweight 250 Pants, High-Rise Slim-Leg
A high-rise, slim-leg base layer made of 100% merino wool in carbon navy for versatile warmth.
Pros: Great fit High quality Warmth Non-itchy Comfortable fabric
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Men's Cresta Midweight 250 Quarter-Zip Top
A dark black merino wool quarter-zip top that wicks sweat, resists odor, and keeps you warm.
Pros: Keeps you warm Excellent base layer Comfort Durability Versatility
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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
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Women's L.L.Bean Midweight Base Layer Pants
A blue synthetic midweight base layer pant that wicks moisture, resists odor, and offers just-right stretch.
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Men's L.L.Bean Fleece Base Layer Crew, Long-Sleeve
A warm, black fleece base layer made from recycled polyester with anti-pill and anti-microbial treatments.
Pros: High quality Perfect fit Reasonably priced Keeps warm Comfortable
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Men's L.L.Bean Fleece Baselayer Pants
A warm, cadet blue fleece baselayer made from recycled polyester, perfect for skiing or lounging.
Pros: Cozy Warm Comfortable Thick Soft
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Women's L.L.Bean Fleece Base Layer Pants, Mid-Rise
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
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Women's L.L.Bean Heavyweight Base Layer Pants
A heavyweight green base layer pant made from recycled polyester, offering warmth, odor control, and moisture-wicking comfort.
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Women's Cresta Midweight 250 T-Zip Top
A dark black merino wool base layer that wicks sweat, resists odor, and features thumbhole cuffs.
Pros: Well-made Warmth True to size Versatile Comfortable
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Men's Cresta Ultralight 150 Crew Top
A remarkably soft and warm alloy gray base layer made from 100% merino wool with thumbhole cuffs.
Pros: Soft material Warmth Good fit Comfortable Well made
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Women's Cresta Ultralight 150 Crew Top
An alloy gray, form-fitting base layer made of 100% merino wool, perfect for any season.
Pros: Not itchy Lightweight Versatile Comfortable Warm
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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
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Women's L.L.Bean Simple Soft Base Layer, Crew
A lightweight, dark black synthetic base layer crewneck with moisture-wicking, quick-dry fabric and thumbholes.
Pros: Great fit Smooth fabric Softness Dino style Material
