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Image of Smartwool Classic Thermal Merino Base Layer 1/4-Zip Top - Women's Light Gray Foggy Pines, S
 

Smartwool Classic Thermal Merino Base Layer 1/4-Zip Top - Women's Light Gray Foggy Pines, S

Whether we're sneaking in a few last hikes in the late fall before snow starts falling or riding over open groomers on frigid winter days, the Smartwool Classic Thermal Merino Base Layer 1/4-Zip Top offers next-to-skin comfort and plenty of warmth so...


 
Image of Carhartt Force Heavyweight Base Layer Long-Sleeve Quarter-Zip for Men - Burnt Olive Heather - XL
 

Carhartt Force Heavyweight Base Layer Long-Sleeve Quarter-Zip for Men - Burnt Olive Heather - XL

When the mercury hits the bottom of the outdoor thermometer with a clunk, count on the Carhartt Force® Heavyweight Baseayerong-Sleeve Quarter-Zip for Men to keep you warm in the brutal cold. This heavyweight Force baseayer is made of thick,

from  $54.99
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Image of Smartwool Intraknit Thermal Merino Base Layer Bottom - Women's Eggplant/Nival Blue, S
 

Smartwool Intraknit Thermal Merino Base Layer Bottom - Women's Eggplant/Nival Blue, S

Cold-weather adventures call for Smartwool's IntraKnit Thermal Merino Base Layer Bottom. As we get after it in plummeting temps, the merino wool's natural insulating and moisture-wicking properties keep us from neither catching a chill nor overheating,...


 
Image of Ariat Rebar Gridwork Base-Layer Quarter-Zip Long-Sleeve Shirt for Men with DuraStretch - Black - XS
 

Ariat Rebar Gridwork Base-Layer Quarter-Zip Long-Sleeve Shirt for Men with DuraStretch - Black - XS

The Ariat® Rebar® Gridwork Base-Layer Quarter-Zipong-Sleeve Shirt for Men is ready for a rugged day on the job. Its DuraStrech™ base-layer fit moves andayers easily, while helpful enhancements such as Greater Arm Mobility design increases flex

from  $59.95
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Image of Smartwool Classic Thermal Merino Colorblock Crew Base Layer - Men's Charcoal Heather/Black, M
 

Smartwool Classic Thermal Merino Colorblock Crew Base Layer - Men's Charcoal Heather/Black, M

The Smartwool Classic Thermal Merino Colorblock Crew Base Layer adds some color to our next-to-skin layer. The merino wool weave is naturally odor-resistant and regulates our temperature by wicking away moisture and insulating when wet. We like how this...


 
Image of Carhartt Force Heavyweight Base Layer Long-Sleeve Quarter-Zip for Men - Burnt Olive Heather - 2XL
 

Carhartt Force Heavyweight Base Layer Long-Sleeve Quarter-Zip for Men - Burnt Olive Heather - 2XL

When the mercury hits the bottom of the outdoor thermometer with a clunk, count on the Carhartt Force® Heavyweight Baseayerong-Sleeve Quarter-Zip for Men to keep you warm in the brutal cold. This heavyweight Force baseayer is made of thick,

from  $54.99
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Image of Smartwool Classic Thermal Merino Base Layer Pattern Crew - Women's Black Cherry Dot, L
 

Smartwool Classic Thermal Merino Base Layer Pattern Crew - Women's Black Cherry Dot, L

The Classic Thermal Base Layer Crew provides the excellent thermoregulating properties we expect from Smartwool, making it perfect for ripping up our favorite resorts or hitting a post-work winter hike. This top utilizes the insulating powers of merino...


 
Image of Blocker Outdoors Shield Series Koretec Polar-Weight Base-Layer Bottoms for Men - Black - 3XL
 

Blocker Outdoors Shield Series Koretec Polar-Weight Base-Layer Bottoms for Men - Black - 3XL

Blocker Outdoors® Shield Series Koretec Polar-Weight Base-Layer Bottoms for Men serve up your ideal hardworking firstayer. From preseason scouting to the heart of the rut, the exclusive S3® odor-reducing technology willower your scent signatur

from  $44.99
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Image of Smartwool Women's Classic All-Season Merino Plant-Based Dye Base Layer Long Sleeve
 

Smartwool Women's Classic All-Season Merino Plant-Based Dye Base Layer Long Sleeve

Smartwool Women's Classic All-Season Merino Plant-Based Dye Base Layer Long Sleeve


 
Image of Smartwool Intraknit Active Base Layer Bottom - Women's Pecan Brown/Guava Pink, XS
 

Smartwool Intraknit Active Base Layer Bottom - Women's Pecan Brown/Guava Pink, XS

The Smartwool Intraknit Active Base Layer Bottom is our favorite option for chafe-free comfort and warmth on winter adventures. The merino wool blend wicks sweat, regulates temp, and fights odors, while the mesh ventilation panels ensure constant air...


 
Image of GOREWEAR Windstopper Base Layer Thermo Long-Sleeve Shirt - Men's Light Grey/White, US XS/EU S
 

GOREWEAR Windstopper Base Layer Thermo Long-Sleeve Shirt - Men's Light Grey/White, US XS/EU S

Whether you're training on your bike, trail running, or hiking, the Gore Wear WIndstopper Base Layer Thermo Long-Sleeve Shirt gives you a lightweight layer of defense against the elements. The Gore Windstopper membrane is strategically placed to deflect...


 
Image of Smartwool Classic Thermal Base Layer Bottoms Men's 2025 Gray in Charcoal size X-Large
 

Smartwool Classic Thermal Base Layer Bottoms Men's 2025 Gray in Charcoal size X-Large

evo.com | Smartwool Long Underwear Bottoms > All great days start by slipping into a solid base layer. The Smartwool Classic Thermal Merino Base Layer Bottoms make it easy with full-length 100% merino coverage for the coldest of days. And with an updated...


 
Image of Ariat Rebar Gridwork Balaclava Base-Layer Long-Sleeve Shirt for Ladies - Black - 1X
 

Ariat Rebar Gridwork Balaclava Base-Layer Long-Sleeve Shirt for Ladies - Black - 1X

Give yourself a bit of extra protection from the cold with the Ariat® Rebar™ Gridwork Balaclava Base-Layerong-Sleeve Shirt foradies. This women's thermal top is made from 6-oz., 97% polyester/3% spandex grid fleece to trap warmth without addin

from  $64.95
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Image of Smartwool Classic Thermal Merino Base Layer Pattern Bottom - Women's Jade Marble, XL
 

Smartwool Classic Thermal Merino Base Layer Pattern Bottom - Women's Jade Marble, XL

Slotted as a purely merino baselayer option from Smartwool, the Classic Thermal Base Layer Bottom offers excellent thermal regulating properties to keep us spinning laps on our favorite chair. Merino wool is truly the leading insulating material because...


 
Image of Carhartt Force Heavyweight Base Layer Long-Sleeve Quarter-Zip for Men - Burnt Olive Heather - L
 

Carhartt Force Heavyweight Base Layer Long-Sleeve Quarter-Zip for Men - Burnt Olive Heather - L

When the mercury hits the bottom of the outdoor thermometer with a clunk, count on the Carhartt Force® Heavyweight Baseayerong-Sleeve Quarter-Zip for Men to keep you warm in the brutal cold. This heavyweight Force baseayer is made of thick,

from  $54.99
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Image of RedHead Elite Heavyweight Base Layer Quarter-Zip Long-Sleeve Shirt for Men - Black - 2XLT
 

RedHead Elite Heavyweight Base Layer Quarter-Zip Long-Sleeve Shirt for Men - Black - 2XLT

Layer on the warmth you need to succeed on frigid hunts with the RedHead® Elite Heavyweight Baseayer Quarter-Zipong-Sleeve Shirt for Men. Thermal-regulating grid technology wicks away moisture to keep you dry, while breathable 94% polyester/6%

from  $64.99
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Image of GOREWEAR Windstopper Base Layer Thermo Long-Sleeve Shirt - Men's Light Grey/White, US M/EU L
 

GOREWEAR Windstopper Base Layer Thermo Long-Sleeve Shirt - Men's Light Grey/White, US M/EU L

Whether you're training on your bike, trail running, or hiking, the Gore Wear WIndstopper Base Layer Thermo Long-Sleeve Shirt gives you a lightweight layer of defense against the elements. The Gore Windstopper membrane is strategically placed to deflect...


 
Image of RedHead Elite Zones Base Layer Quarter-Zip Long-Sleeve Top for Men - Black/Grey - 2XLT
 

RedHead Elite Zones Base Layer Quarter-Zip Long-Sleeve Top for Men - Black/Grey - 2XLT

Keep warm - but not too warm - on your outdoor adventures with our RedHead® Elite Zones Baseayer Quarter-Zipong-Sleeve Top for Men. This baseayer shirt boasts 3 weights of fabric, zoned to provide the perfect blend of warmth and breathabilit

from  $74.99
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Image of Smartwool Classic Thermal Merino Base Layer Pattern Crew - Women's Jade Marble, XL
 

Smartwool Classic Thermal Merino Base Layer Pattern Crew - Women's Jade Marble, XL

The Classic Thermal Base Layer Crew provides the excellent thermoregulating properties we expect from Smartwool, making it perfect for ripping up our favorite resorts or hitting a post-work winter hike. This top utilizes the insulating powers of merino...


 
Image of Ariat Rebar Gridwork Base-Layer Quarter-Zip Long-Sleeve Shirt for Men with DuraStretch - Black - S
 

Ariat Rebar Gridwork Base-Layer Quarter-Zip Long-Sleeve Shirt for Men with DuraStretch - Black - S

The Ariat® Rebar® Gridwork Base-Layer Quarter-Zipong-Sleeve Shirt for Men is ready for a rugged day on the job. Its DuraStrech™ base-layer fit moves andayers easily, while helpful enhancements such as Greater Arm Mobility design increases flex

from  $59.95
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Image of Smartwool Classic Thermal Merino Base Layer Pattern Crew - Women's Jade Marble, S
 

Smartwool Classic Thermal Merino Base Layer Pattern Crew - Women's Jade Marble, S

The Classic Thermal Base Layer Crew provides the excellent thermoregulating properties we expect from Smartwool, making it perfect for ripping up our favorite resorts or hitting a post-work winter hike. This top utilizes the insulating powers of merino...


 
Image of Women's evo Midweight Base Layer Pants 2025 in Pink size X-Small | Spandex/Polyester
 

Women's evo Midweight Base Layer Pants 2025 in Pink size X-Small | Spandex/Polyester

evo.com | evo Long Underwear Bottoms > We created the evo Midweight Base Layer Pants for everyday skiers and snowboarders looking for simple yet versatile performance on the mountain. With a 4-way stretch, midweight synthetic construction and flatlock...


 
Image of Smartwool Intraknit Thermal Merino Base Layer Bottom - Women's Eggplant/Nival Blue, XL
 

Smartwool Intraknit Thermal Merino Base Layer Bottom - Women's Eggplant/Nival Blue, XL

Cold-weather adventures call for Smartwool's IntraKnit Thermal Merino Base Layer Bottom. As we get after it in plummeting temps, the merino wool's natural insulating and moisture-wicking properties keep us from neither catching a chill nor overheating,...


 
Image of Ariat Rebar Gridwork Base-Layer Quarter-Zip Long-Sleeve Shirt for Men with DuraStretch - Black - 4XL
 

Ariat Rebar Gridwork Base-Layer Quarter-Zip Long-Sleeve Shirt for Men with DuraStretch - Black - 4XL

The Ariat® Rebar® Gridwork Base-Layer Quarter-Zipong-Sleeve Shirt for Men is ready for a rugged day on the job. Its DuraStrech™ base-layer fit moves andayers easily, while helpful enhancements such as Greater Arm Mobility design increases flex

from  $64.95
Compare 2 Prices

 
Image of Smartwool Classic Thermal Merino Base Layer Pattern Crew - Women's Black Cherry Dot, M
 

Smartwool Classic Thermal Merino Base Layer Pattern Crew - Women's Black Cherry Dot, M

The Classic Thermal Base Layer Crew provides the excellent thermoregulating properties we expect from Smartwool, making it perfect for ripping up our favorite resorts or hitting a post-work winter hike. This top utilizes the insulating powers of merino...





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