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 ...

23% Off

Coldpruf Enthusiast Polypropylene Lightweight Pants - Men's

$22.99

~~$30.00~~

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

23% Off

Coldpruf Enthusiast Polypropylene Lightweight Crew Shirt - Men's

$22.99

~~$30.00~~

The Coldpruf Men'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. The...

33% Off

$29.99

~~$45.00~~

The Thermolator 2.0 Crew 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...

33% Off

Terramar 2.0 Thermolator II CS Midweight Pants - Men's

$29.99

~~$45.00~~

A midweight, extremely comfortable, brushed polyester spandex pant with four-way stretch for unrestricted movement, and Climasense thermoregulation comfort. The Terramar Men's 2.0 Thermolator II CS...

33% Off

Terramar ThermaSilk CS Silk Lightweight Pants - Men's

$40.20

~~$60.00~~

Over forty years ago Terramar was the first company to introduce pure silk performance base layer products. Today, Thermasilk is still the standard for people wanting a natural and breathable gar...

34% Off

Terramar EC2 Military Fleece Expedition Weight Crew Shirt - Men's

$22.99

~~$35.00~~

Originally produced to meet US Army specifications, our Military Fleece Crew has become a favorite of hunters, fishermen and other outdoors people for years. The heavy weight fleece on the inside t...

33% Off

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

$40.20

~~$60.00~~

Over forty years ago Terramar was the first company to introduce pure silk performance base layer products. Today, Thermasilk is still the standard for people wanting a natural and breathable gar...

34% Off

Terramar EC2 Military Fleece Expedition Weight Pants - Men's

$22.99

~~$35.00~~

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

17% Off

Terramar EC2 Expedition Weight Military Fleece Union Suit - Men's

$49.99

~~$60.00~~

The Terramar Men's Military Fleece Expedition Weight Union Suit, with ec2 Qwik-Dri Thermoregulation Comfort Technology, is an ideal baselayer choice for those blustery cold days of winter, when the...

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

Terramar Thermolator Turtle Neck - Men's

$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...

23% Off

Coldpruf Enthusiast Polypropylene Lightweight Tall Pants - Men's

$22.99

~~$30.00~~

The Coldpruf Men's Enthusiast Polypropylene Lightweight Tall Pants are a single-layer garment made out of 100% polypropylene, engineered to give a close comfortable fit without being restrictive. T...

25% Off

Coldpruf Platinum II Midweight Underwear Crew Shirt - Men's

Black long-sleeve shirt on a white background

$29.99

~~$40.00~~

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...

SmartWool Merino 250 Baselayer Crew - Men's

$115.00

Meet the better-than-ever Men's Merino 250 Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new fit to improve functionality while enhancing aesthetics. Shoul...

27% Off

Terramar Ecolator CS 3.0 Long Sleeve Fleece Crew Shirt - Men's

$39.99

~~$55.00~~

Our Ecolator® Crew is made from 95% recycled Polyester and features high loft grid channels that create an ideal microclimate which efficiently traps air and effectively allows circulation. A great...

25% Off

Coldpruf Platinum II Midweight Underwear Pants - Men's

$29.99

~~$40.00~~

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...

20% Off

$39.99

~~$50.00~~

The Men's Terramar Thermolator Half Zip is a great base layer when the weather turns cold but you need to be out working or playing. Designed using Terramar's Climasense fabric (86% Recycled Polyes...

SmartWool Merino 250 Baselayer Bottom - Men's

$115.00

We've updated our Men's Merino 250 Base Layer Bottom to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wool will help you keep your game at a high level fo...

12% Off

Terramar Transport +1.0 Lightweight Long Sleeve Crew Shirt - Men's

$21.99

~~$25.00~~

The Terramar Men’s Transport® +1.0 Crew Shirt is the perfect shirt for cooler weather workouts or as the foundation of a multi-layering system. The Transport fabric is stretchy, lightweight, moist...

79% Off

Terramar Ultra Merino Crew Shirt 2.0 - Men's

from $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 th...

37% Off

Terramar Transport +1.0 Lightweight Pant - Women's

$21.99

~~$35.00~~

The Terramar Women’s Transport® +1.0 Pants excel as a breathable, lightweight layering piece with optimal moisture and temperature management so you feel comfortable wherever you may roam. A wide w...

37% Off

Terramar Transport 1.0 Lightweight Long Sleeve Crew Shirt - Women's

$21.99

~~$35.00~~

The Terramar Women’s Transport® +1.0 Crew Shirt is a versatile base layer with excellent performance properties. The Transport fabric is stretchy, lightweight, moisture-wicking, and breathable - it...

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...

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...

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 ...

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 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 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...

Base Layer

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