Smartwool Classic Thermal Merino Base Layer 1/4 Zip – Men's running Elasticized undercuff construction seals out

Elasticized undercuff construction seals out drafts

while the Early Meta-Rocker keeps your transitions smooth stride after stride

and fights odor between washes

8 oz — light enough to carry as a safety layer on long trail runs or backcountry hunts

Smartwool Classic Thermal Merino Base Layer 1/4 Zip – Men's running Elasticized undercuff construction seals outBuilt for cold weather output hiking, hunting, or moving fast in the backcountry this midweight merino base layer handles the full range of Southern winters. Merino wool regulates temperature naturally and resists odor through multi day wear, so you stay fresh without extra weight. The 1 4 zip lets you dump heat fast when the climb gets steep. Midweight merino wool construction balances warmth and breathability across a wide range of cold weather