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Base Layer

111 products
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27% Off
Terramar Below Zero Crew 3.0 Shirt - Women's Terramar Below Zero Crew 3.0 Shirt - Women's
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$39.99
$39.99
$55.00
The Below Zero Crew is the perfect piece to keep you warm. The extra durable four way stretch provides support and ease of movement in all directions as you move. The smooth face of the fabric is...
23% Off
Terramar ThermaSilk CS Pointelle Silk Lightweight Pants - Women's Terramar ThermaSilk CS Pointelle Silk Lightweight Pants - Women's
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$45.99
$45.99
$60.00
The Miracle of SilkAfter 4000 years, nature and science have joined forces to produce silk long underwear which can help thermo-regulate the body's temperature and dramatically speed up the dispers...
Smartwool Women's Classic Thermal Merino Base Layer 1/4 Zip Smartwool Women's Classic Thermal Merino Base Layer 1/4 Zip
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$120.00
$120.00
We've updated the fit of our Women's Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and one of our best b...
53% Off
Terramar Cloud Nine Scoopneck Print Shirt - Women's Terramar Cloud Nine Scoopneck Print Shirt - Women's
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from $21.00
from $21.00
$45.00
The Cloud Nine Scoop Neck Top is the ideal piece for all day warmth and comfort while being out in the elements. This versatile piece features an ultra-soft, midweight fabric utilizing our featur...
Smartwool Women's Intraknit Thermal Merino Base Layer Crew Smartwool Women's Intraknit Thermal Merino Base Layer Crew
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+3
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$130.00
$130.00
This minimalist-style crew is anything but insignificant. Our Women's Intraknit™ Thermal Merino Base Layer Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather ...
SmartWool Women's Classic Thermal Merino Base Layer Crew SmartWool Women's Classic Thermal Merino Base Layer Crew
+9
+8
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$115.00
$115.00
Meet the new and improved Women's Merino 250 Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new color options and an enhanced fit to improve functionality while elevating ae...
38% Off
Man wearing a black long-sleeve shirt on a white background
$24.95
$24.95
$39.95
This form-fitting, lightweight top for men will help keep you warm and dry. Its wicking properties take moisture away from your body while the poly blend fibers help keep you warm. Active stretch a...
38% Off
Person wearing a black long-sleeve athletic shirt and leggings on a white background
$24.95
$24.95
$39.95
This form-fitting, super soft baselayer top for women will help keep you warm and dry. Its wicking properties take moisture away from your body while the poly blend fibers help keep you warm. Activ...
38% Off
Dark gray leggings with a brand logo on a white background
$24.95
$24.95
$39.95
This form-fitting, lightweight pant for men will help keep you warm and dry. Its wicking properties take moisture away from your body while the poly blend fibers help keep you warm. Active stretch ...
38% Off
Black leggings with a visible brand logo on a white background
$24.95
$24.95
$39.95
This form-fitting, super soft baselayer pant for women will help keep you warm and dry. Its wicking properties take moisture away from your body while the poly blend fibers help keep you warm. Acti...
27% Off
Three children wearing black wetsuits on a white background Child wearing a black long-sleeve shirt on a white background
$21.99
$21.99
$30.00
This form-fitting, lightweight base layer will help keep you warm and dry. Its wicking properties take moisture away from your body while the poly blend fibers help keep you warm. Active stretch an...
Woman wearing a black long-sleeve top and pants on a white background Person wearing a black long-sleeve athletic top on a white background
$89.00
$89.00
$0.00
A classic, all-around polyester baselayer made with 50-100% recycled content. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture a...
Patagonia Men's Capilene Midweight Bottoms Patagonia Men's Capilene Midweight Bottoms
$79.00
$79.00
A classic, all-around 100% recycled polyester baselayer. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ® Pu...
23% Off
Coldpruf Enthusiast Polypropylene Lightweight Tall Crew Shirt - Men's
$22.99
$22.99
$30.00
The Coldpruf Men's Enthusiast Polypropylene Lightweight Tall Crew Shirt is a single-layer garment made out of 100% polypropylene, engineered to give a close comfortable fit without being restrictiv...
27% Off
Woman wearing a black long-sleeve shirt on a white background
$39.99
$39.99
$55.00
The Below Zero Crew is the perfect piece to keep you warm. The extra durable four way stretch provides support and ease of movement in all directions as you move. The smooth face of the fabric is g...
38% Off
Terramar Women's Cloud Nine Turtle Neck
$29.99
$29.99
$48.00
This Terramar Cloud Nine 2.0 Baselayer Turtle Neck is designed to keep you warm and comfortable during outdoor activities. Made with soft, lightweight fabric and featuring a turtle neck, it is perf...
27% Off
Terramar Men's Ecolator 3.0 Ecolator Pant
$39.99
$39.99
$55.00
Called a "Killer Value" in the Winter Outside Magazine Buyer's Guide, warmth and layering performance is what the Terramar Ecolator is all about. The high loft grid channels create an ideal microcl...
53% Off
Woman wearing a black long-sleeve top on a white background Woman wearing a blue long-sleeve top and pants on a white background
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+1
$21.00
$21.00
$45.00
Women's 2.0 Cloud Nine Crew Lightweight Top A light base for your winter cardio pursuits Ultra-soft brushed surface traps in heat and is breathable 4-way stretch fabric doesn’t restrict movement A...
27% Off
Terramar Women's Below Zero 3.0 Pant
$39.99
$39.99
$55.00
The Below Zero Performance Tight is the perfect piece to keep you warm. The extra durable four way stretch provides support and ease of movement in all directions. The smooth face of the fabric is ...
27% Off
Coldpruf Platinum II Midweight Underwear Pants - Men's Tall Black thermal leggings with brand logos on a white background
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$32.99
$32.99
$45.00
Your TRUSTED base layer REBUILT for the MODERN ADVENTURE. Inside Layer: 100% ColdPruf® Technical Fiber Polyester with SILVADUR™ Intelligent Freshness Outside Layer: 70% polyester / 30% MERINO WOOL...
25% Off
Man wearing a gray long-sleeve athletic shirt with a brand logo on a white background Person wearing a gray long-sleeve athletic shirt with a brand logo on the back.
$41.25
$41.25
$55.00
We all hate it. That stiff, distracted feeling you get when you're out in the cold. That's why, we built a baselayer that keeps you warm and dry without being bulky or riding up, so you can stay fo...
25% Off
Under Armour UA Base™ 2.0 Women's Leggings Under Armour UA Base™ 2.0 Women's Leggings
$45.00
$45.00
$60.00
Meet the all-new UA Base™—delivering the same trusted warmth without the bulk—now softer and smoother than ever for unmatched comfort on every adventure. UA Base™ 2.0 Active Baselayer is lightweig...
25% Off
Under Armour UA Base™ 2.0 Women's Crew Under Armour UA Base™ 2.0 Women's Crew
$45.00
$45.00
$60.00
Meet the all-new UA Base™—delivering the same trusted warmth without the bulk—now softer and smoother than ever for unmatched comfort on every adventure. UA Base™ 2.0 Active Baselayer is lightweig...
25% Off
Under Armour UA Base™ 2.0 Men's Crew Under Armour UA Base™ 2.0 Men's Crew
$45.00
$45.00
$60.00
Meet the all-new UA Base™—delivering the same trusted warmth without the bulk—now softer and smoother than ever for unmatched comfort on every adventure. UA Base™ 2.0 Active Baselayer is lightweig...
25% Off
Under Armour UA Base™ 2.0 Men's Leggings Under Armour UA Base™ 2.0 Men's Leggings
$45.00
$45.00
$60.00
Meet the all-new UA Base™—delivering the same trusted warmth without the bulk—now softer and smoother than ever for unmatched comfort on every adventure. UA Base™ 2.0 Active Baselayer is lightweig...
Teal pullover with a brand logo on a white background Woman wearing a black long-sleeve top with a zipper on a light pink background
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$140.00
$140.00
$0.00
Warm, versatile Polartec® Power Stretch® Pro base layer for cold conditions. The Kyanite Baselayer Zip Neck was previously the Rho Heavyweight Zip Neck. The Kyanite Baselayers are made for cold day...
25% Off
Person wearing a black long-sleeve top and blue pants with a beige cap on a light gray background Person wearing a black hoodie and gray pants on a light gray background
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$48.75
$48.75
$65.00
The super soft UPF 50 hoody for adventures big and small Perfect for giving it your all on the next pitch or pacing on your favorite trail, the Butter™ Long Sleeve Hoody is big on performance witho...
25% Off
Person wearing a black long-sleeve top and red beanie on a light gray background Woman wearing a light purple long-sleeve athletic top on a white background
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$52.50
$52.50
$70.00
The super soft, half-zip that’s at home in the high alpine and casual days at lower elevations This perfect moisture-wicking base layer is buttery soft, allowing you to move effortlessly through an...
25% Off
Person wearing black long-sleeve top and leggings with gray socks on a white background
$60.00
$60.00
$80.00
An alpine-inspired tight that can be worn as a single or base layer From high alpine trails to the climbing gym, the Butter™ Tight is a versatile, buttery soft base layer that pairs perfectly under...
25% Off
Person wearing a black long-sleeve top and maroon puffer pants with a purple beanie on a light gray background Person wearing a purple long-sleeve shirt and green pants on a light gray background
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$45.00
$45.00
$60.00
Crucial UPF 50 sun protection that’s moisture wicking and anti-odor for running solo or layering. Make every high effort outing smooth as butter with a long-sleeve layer that’s worth its weight in ...
Smartwool Men's Classic All-Season Merino Base Layer Long Sleeve Shirt Smartwool Men's Classic All-Season Merino Base Layer Long Sleeve Shirt
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$90.00
$90.00
Spring skiing or summer camping? The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With our Core Spun technology, we've wrapped lightweight Merino around a n...
Woman wearing a blue and floral long-sleeve top on a white background Woman wearing a patterned long-sleeve top and leggings on a white background
$130.00
$130.00
Meet the Women's Classic Thermal Merino Base Layer Colorblock Crew. This 100% Merino wool fan-favorite combines the moisture management, temperature regulation, and odor resistance of Merino with t...