Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip Size:L Don’t drink when not thirsty

Don’t drink when not thirsty

A new shape elongates the sidecut for more versatility in a variety of turn shapes

POCKETS & COMPARTMENTS - 2 front stretch pockets: Expandable front pockets to store essentials you want to access on the go

Built In Tech

a better planet

Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip Size:L Don’t drink when not thirstyWe've updated the fit of our Men's Classic Thermal Merino Base Layer 1 4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as help keep you comfortable and temperature regulated as you enjoy high intensity skiing, hiking,