Smartwool Men's Classic Thermal Merino Base Layer Crew 2026 Size:S reverse side: 130 g/m² 60%

reverse side: 130 g/m² 60% cotton

You've always been drawn to the challenge of a new route

Titanal reinforcement provides responsiveness and rebound

Union’s most trusted binding—ridden by more snowboarders than any other in our lineup

Smartwool Men's Classic Thermal Merino Base Layer Crew 2026 Size:S reverse side: 130 g/m² 60%Meet 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,