Smartwool Classic Thermal Merino Base Layer Crew - Men's Size:L Add the proven Smith AirEvac

Add the proven Smith AirEvac tech for a fog-free goggle interface

Robust EVA footbed for enhanced comfort built for all-day wear

Footbed-Dual Density EVA

Meet the better-than-ever Men's Classic Thermal Merino Base Layer Crew

while a plush sweat-wicking liner makes for all-conditions coziness

Smartwool Classic Thermal Merino Base Layer Crew - Men's Size:L Add the proven Smith AirEvacMeet the better than ever Men's Classic Thermal Merino 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. Shoulder panels eliminate top shoulder seams, and a flatlock seam construction helps prevent chafing. Add one of our best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing,