Men's Classic Thermal Merino Base Layer Crew SIZE:M Crafted with a Hydroguard™ waterproof

Crafted with a Hydroguard™ waterproof membrane

Vibram® Megagrip outsole for reliable traction

neutral ride

Experience max cushion and dynamic support in the men's Altra Paradigm 8—perfect for road runners

uptempo workouts

Men's Classic Thermal Merino Base Layer Crew SIZE:M Crafted with a Hydroguard™ waterproofIntroducing the upgraded Smartwool Men's Classic Thermal Merino Base Layer Crew. Crafted from 100% Merino wool, this fan favorite now features refreshed colors and an improved fit for enhanced performance and style. The new shoulder panels eliminate top shoulder seams, while the flatlock seam construction minimizes chafing. Add this top rated base layer to your winter gear and feel the difference during your next skiing, hiking, climbing, or biking