Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip 2026 Charcoal Heather co Pocket utility loop and media

Pocket utility loop and media port

Knit in Vietnam: 100% Merino Wool

technical look

which improves tracking and reduces the amount of times you have to switch the paddle from side to side when paddling

liquid rubber-dipped neoprene for warmth

Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip 2026 Charcoal Heather co Pocket utility loop and mediaConstructed from 100% responsibly sourced Merino wool, the Smartwool Mens Classic Thermal Merino Base Layer 1 4 Zip provides heavyweight warmth while naturally regulating temperature and managing moisture. Its interlock knit delivers soft, durable performance for cold weather skiing, hiking, or running. The slim fit tracks the body for efficient layering, and strategically placed flatlock seams with offset shoulders reduce chafing during movement. A