Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip Mens Shoes Downproof Polyester coated in DWR

Downproof Polyester coated in DWR repels moisture while a stretch polyester provides movement where you need it most

EXO Shield 30k 4-way stretch recycled polyester plain weave with 30k/20k laminate and PFC-free DWR

grip and waterproof protection you need to tackle technical terrain

Lightweight in-mold construction fuses the exterior shell and EPS foam for a one-piece design that's lightweight and durable

Smartwool Men's Classic Thermal Merino Base Layer 1/4 Zip Mens Shoes Downproof Polyester coated in DWRWe'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,