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Base Layer

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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...
VOORMI Women's Expedition 1/4 Zip Top VOORMI Women's Expedition 1/4 Zip Top
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$179.00
$179.00
VOORMI does it again with their Women's Expedition 1/4 Zip top! The 1/4 Zip boasts our innovative DUAL SURFACE™ Precision Blended Wool, a fabric that keeps your warm without compromising breathabil...
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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$65.00
$65.00
$0.00
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...
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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$70.00
$70.00
$0.00
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...
Person wearing black long-sleeve top and leggings with gray socks on a white background
$80.00
$80.00
$0.00
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...
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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$60.00
$60.00
$0.00
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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$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...
25% Off
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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$67.50
$67.50
$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...
25% Off
Smartwool Men's Classic Thermal Merino Base Layer 3/4 Bottom Smartwool Men's Classic Thermal Merino Base Layer 3/4 Bottom
$78.75
$78.75
$105.00
Keep your ski boots, hiking boots, and running shoes free of bulk and friction with our Men's Classic Thermal Merino Base Layer 3/4 Bottom. 100% responsibly sourced Merino wool provides ultimate br...
25% Off
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
$97.50
$97.50
$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...
25% Off
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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$105.00
$105.00
$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 ...
25% Off
Person wearing black leggings on a white background Person wearing a black long-sleeve top and leggings on a white background
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$86.25
$86.25
$115.00
100% Merino. 100% capable. Our Women's Merino Base Layer Bottom is always ready for what's ahead and what's next. With a fit updated to improve functionality while enhancing aesthetics for a ran...
25% Off
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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$67.50
$67.50
$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
Person wearing black leggings on a white background Person wearing black long-sleeve top and leggings on a white background
$67.50
$67.50
$90.00
Our Women's Classic All-Season Merino Base Layer Bottoms are the perfect layer to put on for your warm-weather adventures. Made of lightweight, breathable Merino, these base layer pants have an upd...
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...
Mountain Hardwear Men's Butter Up™ Slim Pant Mountain Hardwear Men's Butter Up™ Slim Pant
$99.00
$99.00
$0.00
An alpine-inspired active slim pant that can be worn alone or as a base layer From high alpine trails to the climbing gym, the Butter™ Slim Pant is a versatile, buttery soft base layer that pairs p...
Mountain Hardwear Men's Butter Up™ Long Sleeve Shirt Mountain Hardwear Men's Butter Up™ Long Sleeve Shirt
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$60.00
$60.00
$0.00
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 ...