Smartwool Classic Thermal Merino Base Layer 1/4 Zip – Men's Color:North Woods Foggy Pines Matrix™ stretch single weave nylon

Matrix™ stretch single weave nylon (130gsm) with fluorocarbon-free DWR

the Arch Support Flip Flop is our top pick for athletes who refuse to wreck their feet off the trail

and technical gear

and baggage handlers who don't care about your stuff

Bright Nectar color for bold style

Smartwool Classic Thermal Merino Base Layer 1/4 Zip – Men's Color:North Woods Foggy Pines Matrix™ stretch single weave nylonBuilt 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