Men's Baselayer & Underwear

Smartwool® updated the fit of their Men's Classic Thermal Merino Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of their heaviest base layer tops and best base layers for cold weather, this garment uses 100%...

Smartwool® Men's Classic Thermal Merino Colorblock Crew Base Layer Top features 100% Merino Wool made with a flatlock seam construction and offset shoulder and side seams designed for enhanced comfort, breathability, thermoregulation, and odor resistance...

Hot Chillys® La Montaña is their king of the mountain for warmth. The fabric of these Men's thermal pants consists of brushed, micro-denier polyester fleece for lighter weight and greater strength and durability. A unique product for those...

Whether you’re zigzagging on faraway trails or navigating crowded city streets, ExOfficio® underwear is the ultimate easy-going travel companion. From trekking across Thailand to traversing the toughest stretches of Baja, ExOfficio® has spent over...

Whether you’re zigzagging on faraway trails or navigating crowded city streets, ExOfficio® underwear is the ultimate easy-going travel companion. From trekking across Thailand to traversing the toughest stretches of Baja, ExOfficio® has spent over...

Whether you’re zigzagging on faraway trails or navigating crowded city streets, ExOfficio® underwear is the ultimate easy-going travel companion. From treks in Thailand to the toughest stretches of Baja, ExOfficio® has spent over 20 years...

UYN® Men's Evolutyon Biotech is the underwear shirt that marks a new era in functional apparel. Made using innovative biomaterials, without fossil fuel based synthetics, enhanced through UYN's patented technologies, this shirt provides an extraordinary...

Embrace the timeless charm of the holidays with Hatley® Men's Little Blue House® Classic Holiday Plaid Flannel Pajama Pants. Crafted from 100% Cotton, they are a testament to festive traditions, ensuring both style and warmth on chilly nights. Soft...

When your job keeps you outside or has you working in an unheated space, these Carhartt® Men's Force® base layer pants extend your comfort range in cold weather. The lightweight synthetic blend fights sweat and offers quick-drying performance for easy...

Carhartt® Men's Force Lightweight Stretch Grid Base Layer Pants keep you warm and dry for work or active adventures. Lightweight Polyester grid face and back fleece Rugged Flex® move you with you FastDry® wicks away sweat and fights odor Strategically...

When bitter winds blow while you're working outdoors, layer Carhartt® Men's Force Heavyweight Synthetic Wool-Blend Fleece Crew Neck Base Layer Top under your flannel and jacket for reliable warmth. Brushed wool-blend knit wicks sweat, dries fast, and...

When bitter winds blow while you're working outdoors, layer Carhartt® Men's Force Heavyweight Synthetic Wool-Blend Fleece Quarter-Zip Base Layer Top under your flannel and jacket for reliable warmth. Brushed wool-blend knit wicks sweat, dries fast, and...

Carhartt® Men's Force Lightweight Stretch Grid Crew Neck Long-Sleeve Base Layer Top keeps you warm and dry for work or active adventures. Lightweight Polyester grid face and back fleece Rugged Flex® move you with you FastDry® wicks away sweat and fights...

Lazy One® Men's Asleep at the Reel Pajamas are perfect for all of the anglers out there. These roomy jammies are made from soft 100% Combed Cotton knit and are covered in rainbow trout, fishing lures. Pants have a fly (no pun intended), a drawstring and...

Hot Chillys® Men's La Montaña is aptly named: this men's heavyweight thermal is truly their king of the mountain for warmth. The fabric consists of brushed, micro-denier polyester fleece for lighter weight and greater strength and durability. But...

UA Tech™ is Under Armour®'s original go-to training gear: loose, light, and it keeps you cool. That means this men's half zip shirt does everything you need it to do. UA Tech™ fabric, quick-drying, ultra-soft and has a more natural...

We all hate it. That stiff, distracted feeling you get when you're out in the cold. That's why, Under Armour® built a baselayer that keeps you warm and dry without being bulky or riding up, so you can stay focused all season long. Dual-layer Polyester...

We all hate it. That stiff, distracted feeling you get when you're out in the cold. That's why, Under Armour® built a baselayer that keeps you warm and dry without being bulky or riding up, so you can stay focused all season long. Dual-layer fabric with...

This minimalist-style crew is anything but insignificant. SmartWool® Men's Intraknit™ Merino 200 Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather activities. With Merino Sport yarns and gender-specific...

SmartWool® Men's Merino 250 Base Layer Crew has been elevated to help bring you more comfort to conquer cold weather days and activities. Updated fan-favorite with new colors and a new fit to improve functionality while enhancing aesthetics. Shoulder...