Smartwool Mens Classic Thermal Merino Base Layer Crew Black Color Shift

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, or biking.

Slim Fit

100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance

Fit updated to improve functionality while enhancing aesthetics

Shoulder panels eliminate top shoulder seams

Flatlock seam construction designed to minimize chafing

Knit in Vietnam: 100% Merino Wool

Garment Weight: 276 g = 9.74 oz