Smartwool Men's Classic Thermal Merino 250 Crew Base Layer Top Size:L Synthetic weather-resistant upper with micro-perforation

Synthetic weather-resistant upper with micro-perforation for breathability

5X anti-fog inner lens for advanced fog-free performance

CN-HG901-11

DANGER: Extremely flammable aerosol

Center Back Length: 16

Smartwool Men's Classic Thermal Merino 250 Crew Base Layer Top Size:L Synthetic weather-resistant upper with micro-perforationMeet the better than ever Men's Merino 250 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, or biking.