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Base Layer

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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...
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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$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...
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.
$55.00
$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...
Under Armour UA Base™ 2.0 Women's Crew Under Armour UA Base™ 2.0 Women's Crew
$60.00
$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...
Under Armour UA Base™ 2.0 Men's Crew Under Armour UA Base™ 2.0 Men's Crew
$60.00
$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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+1
$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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+1
$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 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
+2
+1
$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 ...
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...
Woman wearing a dark brown long-sleeve top and black leggings on a light gray background Woman wearing a dark long-sleeve top and leggings on a light gray background
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+1
$140.00
$140.00
Meet the Women's Classic Thermal Merino Mock Neck. This 100% Merino wool fan-favorite combines the moisture management, temperature regulation, and odor resistance of Merino with the comfort of an ...
Woman wearing a black long-sleeve athletic shirt on a white background Person wearing a black full-body suit on a white background
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+2
+1
$90.00
$90.00
An all-season favorite, the Women's Classic All-Season Merino Base Layer Long Sleeve can be sported as a base layer in the fall or summer when it's time to go backpacking. This base layer features ...
25% Off
Coldpruf Quest Performance Women's Crew Shirt
$29.99
$29.99
$40.00
The Holy Grail of base layers. Single-layer, jersey knit fabric Fabric Weight: 6.5 oz  Fiber Content: 85% ColdPruf® Technical Fiber Polyester with SILVADUR™ Intelligent Freshness / 15% Spandex...
25% Off
Mountain Hardwear Men's Butter Up™ Long Sleeve Shirt Mountain Hardwear Men's Butter Up™ Long Sleeve Shirt
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+2
+1
$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 ...
Voormi 1/4 Zip Mock Neck Voormi 1/4 Zip Mock Neck
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+1
$129.00
$129.00
Now available in our Phase.SC™ concealment patterns, Blowdown and Harvest, the 1/4 Zip Mock Neck is the feather-light companion for folks on the move. Revel in comfort and style with this adaptable...
Smartwool Kids' Classic Thermal Merino Base Layer Crew Smartwool Kids' Classic Thermal Merino Base Layer Crew
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$65.00
$65.00
Our Kids' Classic Thermal Merino Base Layer Crew is made of 100% responsibly sourced Merino wool to help your little ones stay comfortable on snow days and activities in the mountains. With a flatl...
Person wearing a navy and red sweater with black pants on a white background Person wearing a navy and red sweater with dark pants on a white background
$175.00
$175.00
Meet the Women's Alpine Crew—a premium 100% Merino wool base layer built for high-output performance in cold weather. Merino’s natural abilities to regulate temperature, wick moisture, and resist o...
Polarmax Mens Active Stretch Crewneck
$43.00
$43.00
$0.00
Our Men's Active Stretch Crewneck delivers reliable thermal performance with a comfortable, flexible fit. Designed to wick moisture and retain warmth, this top keeps you dry and cozy during intense...
Polarmax Womens Active Stretch Crewneck
$43.00
$43.00
$0.00
The Women's Active Stretch Crewneck is a versatile long-sleeve base layer designed to keep you comfortable and dry during any activity. Its moisture-wicking fabric moves with you, providing a snug ...
25% Off
Coldpruf Polypropylene Underwear Crewneck Shirt - Kid's
$14.99
$14.99
$20.00
Sizes: XS(4-5), S(6-8), M(10-12), L(14-16), XL(18-20).The Enthusiast underwear program by Coldpruf features single-layer 100% polypropylene construction. It is designed to give a close comfortable ...
Coldpruf Quest Performance Youth Crew Shirt
$25.00
$25.00
The Holy Grail of base layers. Single-layer, jersey knit fabric Fabric Weight: 6.5 oz  Fiber Content: 85% ColdPruf® Technical Fiber Polyester with SILVADUR™ Intelligent Freshness / 15% Spandex...
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$37.99
$37.99
$0.00
Performance that moves with you. The ColdPruf® Style 49A Performance Crew is built for cold to very cold weather and medium- to high-activity levels. Its athletic, close-to-body fit makes it an exc...
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$48.00
$48.00
$0.00
No image available
$48.00
$48.00
$0.00
33% Off
Terramar Thermolator Turtle Neck - Men's Terramar Thermolator Turtle Neck - Men's
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$29.99
$29.99
$45.00
The Thermolator 2.0 Turtle 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 fe...