Base Layer & Thermal Underwear

23% Off

Terramar ThermaSilk CS Silk Lightweight Tall Pants - 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...

30% Off

Terramar EC2 Military Fleece Expedition Weight Tall Pants - Men's

$27.99

~~$40.00~~

The Terramar Men's Military Fleece Expedition Weight Tall Pants, with ec2® Qwik-Dri Thermoregulation Comfort Technology, are an ideal baselayer choice for those blustery cold days of winter when t...

57% Off

Terramar Beast 4.0 1/2 Zip Shirt - Men's

$29.99

~~$70.00~~

If you are looking for ultra-warmth, the Beast is for you! This half-zip top has a smooth face on the outside of the top for easy layering and brushed ultra-high pile sherpa fleece on the inside to...

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...

60% Off

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

$29.99

~~$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 th...

25% Off

Terramar 2.0 Men's Thermolator Performance 3/4 Pant

$29.99

~~$40.00~~

The Thermolator® 3/4 Pant is the ideal piece for all day warmth and comfort while being out in the elements. This versatile piece features an ultra-soft, mid-weight fabric utilizing our features Cl...

Patagonia Men's Capilene Midweight Zip Neck

$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...

Smartwool Men's Classic All-Season Merino Base Layer Bottom

$90.00

A year-round favorite, our Classic All-Season Merino Base Layer Bottom works hard to keep you comfortable everywhere, from the ski lifts to the campsite. With an updated fit to improve functionalit...

33% Off

Terramar Genesis Fleece Pant - Toddler's

$19.99

~~$30.00~~

Terramar Toddler Genesis Fleece Pant is great when your little one wants be out in real cold weather. A expedition Wt. 4.0 base layer made from Terramar's Climasense polyester fabric which mana...

Coldpruf Quest Performance Youth Unisex Pant

$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 ...

SmartWool Merino 250 Baselayer 1/4 Zip - Men's

$120.00

We've updated the fit of our Men's Merino 250 Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and best base layers for cold weath...

$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...

Smartwool Men's Classic Thermal Merino Base Layer Colorblock Crew

$120.00

Our Men's Classic Thermal Merino Base Layer Colorblock Crew features 100% Merino wool made with a flatlock seam construction and offset shoulder and side seams designed for enhanced comfort, breath...

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 Union Suit Men's One-Piece Suit

$70.00

Two-layer engineering Traps air between layers providing a natural barrier of warmth Full button front Union Suit with single button rear flap Inside Layer: 100% combed ring spun cotton Outside La...

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 Pant - 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 Comfort Waistband Front and Back Rise Regular Fit

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

25% Off

Terramar Thermafleece 2-Piece Set - Toddler's

$29.99

~~$40.00~~

Your Toddler is always on the go. No reason to stop when the weather turns cold. Dress your toddler in the Terramar Thermafleece 2-Piece Set. A 4.0 the warmest base layer available through Terramar...

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 Crew Shirt - Women's

$19.99

~~$25.00~~

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

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 Extreme Performance Expedition Weight Underwear Crew Shirt - Women's

$50.00

The Coldpruf Women's Extreme Performance Expedition Weight Crew Shirt has been specifically engineered with Coldpruf Technology (CTF) for warmth, dryness, and odor control, with spandex for superio...

Coldpruf Journey Single Layer Fleece Crew - Women's

$19.99

~~$0.00~~

Regular fit crew Single layer, lightweight fleece Rib cuffs Drop tail for added protection against cold Technology: 100% ColdPruf® technical fiber polyester with SILVADUR™ intelligent freshne...

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 ...

Base Layer

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