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 Smartwool's 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
• Flatlock seam construction and offset shoulder and side seams designed to increase comfort and minimize chafing
• Side seams wrap to front for body-enhancing fit