Smartwool Men's Merino 250 Baselayer Crew Size:S making it our most powerful

making it our most powerful light

- ClimbReady Coil: special coil makes the rope ready to use

YKK® zipped thigh pocket

Whether you're on a multi-day backcountry hut trip

Integral Clarity Technology Anti-Fog exceeds basic anti-fog treatment standards

Smartwool Men's Merino 250 Baselayer Crew Size:S making it our most powerfulMeet 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.