Smartwool Men's Classic Thermal Merino Base Layer Crew Black Color Shift Play Combining Adizero technology with a

Combining Adizero technology with a bold and unique racing-inspired aesthetic

main fabric: 100% recycled polyester

UPPER: Lightweight breathable mesh upper with a stretch air mesh tongue and gusset

The Light Speed Compression Tights with revolutionary Muscle Containment Stamping (MCS) technology

the Vectr Light Cushion No Show Sock leverages a unique X-LOCK support system to lock the foot in place and reduce blistering for your most comfortable run ever

Smartwool Men's Classic Thermal Merino Base Layer Crew Black Color Shift Play Combining Adizero technology with aSW016350K42 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,