Men's Base Layers

Patagonia Men's Lightweight  Synchilla Fleece Snap-T Pullover  A lightweight version of our classic Snap-T® Pullover, built with warm and durable 100% recycled polyester double-sided fleece. Made in a Fair Trade Certified™ factory...

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

Smartwool Men's Classic All-Season Merino Base Layer 1/4 Zip Our popular Classic All-Season Merino Base Layer 1/4 Zip is the perfect base layer for warm or cold weather. This top uses our All-Season-weight Merino fabric wrapped around a nylon core to...

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

Smartwool Men's Classic Thermal Merino Base Layer Colorblock Crew 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...

Kuhl Men's Interceptr Full Zip Jacket With two of our premium fleece fabrics in one articulated design, the INTERCEPTR™ takes hybrid performance to the highest level. Versatile modern styling and premium core warmth combine with freedom of motion...

Kuhl Men's Invigoratr Merino 1/4 Zip The KÜHL TEAM™ MERINO 1/4 ZIP features an articulated design and flat seam construction which makes it the perfect layer for cold weather activities. AERO™ KNIT construction creates micro air pockets...