Men's Classic Thermal Merino Base Layer Crew uzoomsd4 A secure upper keeps your

A secure upper keeps your foot locked in while maintaining breathability during long miles outdoors

Designed for runners

while odor-resistant performance helps keep socks fresher after every run

Crafted from lightweight

the angled beam is purpose-built to illuminate the path ahead and highlight any obstacles in your way

Men's Classic Thermal Merino Base Layer Crew uzoomsd4 A secure upper keeps yourIntroducing 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