Base Layer & Thermal Underwear

Coldpruf Basic Midweight Underwear Crew Shirt - Men's

$15.99

The Coldpruf Men's Basic Midweight Crew Shirt is a base layer underwear garment, designed to trap air between its two layers, providing a natural barrier of warmth. The two-layer engineering delive...

Coldpruf Basic Midweight Underwear Pants - Men's

$15.99

The Coldpruf Men's Basic Midweight Underwear Pants are a base layer underwear garment, designed to trap air between its two layers, providing a natural barrier of warmth. The two-layer engineering ...

25% Off

$29.99

~~$40.00~~

Terramar Kid's Free Ride 2-Piece Set is a midweight 2.0 base layer for your kids. Great all around base layer for average winter temperatures for your active kids. The Free Ride uses Terramar's Cli...

33% Off

Coldpruf Basic Midweight Underwear Tall Pants - Men's

$19.99

~~$30.00~~

The Coldpruf Men's Tall Basic Midweight Underwear Pants are a base layer underwear garment, designed to trap air between its two layers, providing a natural barrier of warmth. The two-layer enginee...

17% Off

Terramar Ecolator CS 3.0 Long Sleeve Fleece Half Zip - Men's

$49.99

~~$60.00~~

The Terramar Men's Ecolator CS 3.0 Long Sleeve Fleece 1/4 Zip is made from heavyweight grid fleece and is perfect as a temperature regulation layer. Featuring Climasense fabric treatment for a bet...

23% Off

Terramar ThermaSilk CS Silk Lightweight Long Sleeve Tall Crew Shirt - Men's

$49.99

~~$65.00~~

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...

$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...

$129.00

Built for everything from long days on the water to mid-day excursions, the Crosscut Baselayer is built to be by your side at every turn. Featuring VOORMI's DUAL SURFACE™ Precision Blended Wool, a ...

$179.00

The Men's Expedition 1/4-Zip Top is the new benchmark for base layers. This top redefines warmth and breathability with our innovative DUAL SURFACE™ Precision Blended Wool. This lofted material cr...

Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip

$120.00

We've updated the fit of our Men'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 best base layers fo...

25% Off

Smartwool Men's Intraknit Thermal Merino Base Layer Crew

from $97.50

~~$130.00~~

This minimalist-style crew is anything but insignificant. Our Men's Intraknit™ Thermal Merino Base Layer Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather ac...

27% Off

Coldpruf Platinum II Midweight Underwear Crew Shirt - Men's Tall

$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...

Coldpruf Expedition Single Layer Fleece Pant - Men's

$26.99

~~$0.00~~

Single Layer Engineering 100% Polyester Fleece – Heavyweight 10 oz. Comfort Waistband Rib Cuffs for added protection against cold Tagless and Flat seams for added comfort Full Cut True Fit

Coldpruf Expedition Single Layer Fleece Crew - Men's

$26.99

~~$0.00~~

A good base layer is always important; ColdPruf® Men’s Expedition Long Sleeve Crew is ideal for keeping warm in extreme cold. The material is a heavyweight Polyester Fleece meant to keep as much...

Coldpruf Journey Single Layer Fleece Crew - Men's

$21.99

~~$0.00~~

Single layer, lightweight fleece 100% ColdPruf® Technical Fiber Polyester with SILVADUR™ Intelligent Freshness Fabric weight: 5 OZ. Rib Cuffs Drop Tail for added protection against cold Regular Fit

Smartwool Kids' Classic Thermal Merino Base Layer Bottom

$65.00

Our Kids' Classic Thermal Merino Base Layer Bottom uses our super soft Mid 250 interlock knit—perfect for layering in cool conditions and great for wearing alone on a mild day. Now your kids can be...

Coldpruf Basic Midweight Underwear Crew Shirt - Women's

$15.99

The Coldpruf Women's Basic Midweight Crew Shirt is a base layer underwear garment, designed to trap air between its two layers, providing a natural barrier of warmth. The two-layer engineering deli...

Coldpruf Basic Midweight Underwear Pants - Women's

$15.99

The Coldpruf Women's Basic Midweight Underwear Pants are a base layer underwear garment, designed to trap air between its two layers, providing a natural barrier of warmth. The two-layer engineerin...

20% Off

Coldpruf Enthusiast Polypropylene Lightweight Pants - Women's

$19.99

~~$25.00~~

The Coldpruf Women's Enthusiast Polypropylene Lightweight Pant are a single-layer garment made out of 100% polypropylene, engineered to give a close comfortable fit without being restrictive. The e...

Coldpruf Journey Single Layer Fleece Pant - Women's

$19.99

~~$0.00~~

Regular fit pants Comfort waistband Front and back rise Single layer, lightweight fleece Rib cuffs Technology: 100% ColdPruf® Technical Fiber Polyester with SILVADUR™ Intelligent Freshness ...

25% Off

Coldpruf Platinum Mid Weight Pants - Women's

$29.99

~~$40.00~~

The Platinum two layer garment has been specifically engineered with our ColdPruf technology to trap air between the layers of fabric to provide a natural warmth shield. The Platinum offers the des...

33% Off

Terramar 2.0 Cloud Nine CS Midweight Long Sleeve Scoopneck Shirt - Women's

$29.99

~~$45.00~~

With unsurpassed comfort, the Terramar Women's 2.0 Cloud Nine Scoop is the ultimate midweight base layer. With relaxed fitting spandex construction, coupled with soft, brushed polyester, this will ...

Patagonia Women's Capilene Midweight Bottoms

$89.00

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® P...

79% Off

Terramar Ultra Merino 2.0 Scoop Neck Shirt - Women's

$14.99

~~$70.00~~

This mid-weight, duo layer crew, consists of a fully synthetic inside and Merino blend face. Our bi-layer construction, creates an air pocket in-between both layers for additional insulation and ...

80% Off

Terramar Ultra Merino 1/2 Zip Shirt 2.0 - Women's

$14.99

~~$75.00~~

This mid-weight, duo layer crew, consists of a fully synthetic inside and Merino blend face. Our bi-layer construction, creates an air pocket in-between both layers for additional insulation and ...

Smartwool Women's Classic Thermal Merino Base Layer 1/4 Zip

$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...

27% Off

Terramar Below Zero Crew 3.0 Shirt - Women's

$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...

Man wearing a black long-sleeve shirt on a white background

$39.95

~~$0.00~~

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...

Person wearing a black long-sleeve athletic shirt and leggings on a white background

$39.95

~~$0.00~~

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...

$39.95

~~$0.00~~

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 ...

$39.95

~~$0.00~~

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...

Three children wearing black wetsuits on a white background

$30.00

~~$0.00~~

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...

Base Layer

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