Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip Size:S Despite its slightly slimmer tube

Despite its slightly slimmer tube diameter

Elasticized Waist

Pop-up Floating Cage: Yes

so you can stay comfortable while cruising the slopes all-day

Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip Size:S Despite its slightly slimmer tubeWe'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,