Mens Athletic Long Underwear
Gear up for your next outdoor adventure with men's athletic long underwear, designed to keep you comfortable and supported through every activity. Whether you're hitting the trails or enjoying a brisk morning run, these versatile essentials are crafted to provide warmth and ease of movement. With a focus on quality and lasting value, our selection ensures that you stay prepared for whatever the day brings. Embrace the outdoors with confidence, knowing that your base layer is as dependable as it is comfortable.
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Men's Cresta Wool Midweight 250 Crew Top
A midweight merino wool crew top in dark black 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 L.L.Bean Midweight Base Layer Pants
A blue synthetic base layer pant with moisture-wicking, quick-drying, and odor-resistant properties for all-day comfort.
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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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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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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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Men's L.L.Bean Simple Soft Base Layer, Pants
A lightweight, moisture-wicking base layer pant in dark black heather, made from a polyester-spandex blend.
Pros: Ideal for layering Provides warmth Lightweight feel
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Men's Cresta Wool Ultralight 150 Base Layer, Hoodie
An ultralight, alloy gray Merino wool hoodie that wicks moisture, resists odors, and fits comfortably under helmets.
Pros: Soft and fleecy interior Ideal for winter sports Warm and comfortable Good fit Fashionable and supportive
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Men's L.L.Bean Simple Soft Base Layer, Crew
A lightweight, moisture-wicking synthetic base layer crewneck in faded sage heather, perfect for everyday warmth.
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Men's L.L.Bean Heavyweight Base Layer Crew Top
A heavyweight, moisture-wicking base layer made from recycled polyester with thumb holes and anti-microbial finish.
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Men's L.L.Bean Midweight Base Layer Pants
A versatile midweight base layer made from recycled polyester, offering moisture-wicking and odor resistance in carbon navy.
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Men's L.L.Bean Heavyweight Base Layer Pant
A versatile midnight black heavyweight base layer pant made from recycled polyester, perfect for outdoor adventures.
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Men's L.L.Bean Heavyweight Base Layer Pant, Print
A heavyweight base layer pant in kelp green camo, made from recycled polyester for warmth and moisture-wicking.
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Men's Cresta Wool Ultralight 150 Pant, Stripe
A slim-fit merino wool base layer pant in regatta blue, perfect for cold-weather sports.
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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 Silk Underwear, Pants
A lightweight, solid red silk base layer pant offering warmth and comfort without bulk.
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Men's Silk Underwear, Crewneck
A lightweight black silk crewneck providing strong, comfortable warmth as a perfect base layer in cold weather.
Pros: Durable Comfortable Warm Great for travel Feels like real silk
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Men's Double-Layer Underwear, Crewneck
A gray wool-blend crewneck sweatshirt featuring double-layer thermal construction for superior warmth.
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Men's L.L.Bean Fleece Baselayer Pants
A warm and cozy baselayer made from recycled polyester, perfect for skiing or lounging by the fire.
Pros: Cozy Warm Comfortable Thick Soft
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Men's Cresta Ultralight 150 Crew Top
An alloy gray, 100% merino wool crew top offering lightweight warmth and comfort with thumbhole cuffs.
Pros: Soft material Warmth Good fit Comfortable Versatility
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Men's Cresta Ultralight 150 Crew Top, Stripe
A remarkably soft and warm striped crew top made from 100% merino wool, perfect for any season.
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Men's L.L.Bean Heavyweight Baselayer Hoodie
A midnight black hoodie made from recycled polyester blend, offering warmth, moisture-wicking, and odor control.
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Men's L.L.Bean Lightweight Crew Base Layer, Long Sleeve
A black, lightweight synthetic long-sleeve base layer that wicks moisture, resists odor, and layers easily.
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Men's L.L.Bean Heavyweight Base Layer Crew Top, Print
A heavyweight, moisture-wicking base layer with recycled polyester, anti-microbial finish, and thumb holes in kelp green camo.
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Men's Cresta Ultralight 150 Turtleneck, Stripe
A lightweight, itch-free 100% merino wool turtleneck in regatta blue, perfect as a base layer for winter sports.