Men's Classic Thermal Merino Base Layer 1/4 Zip Size:XL but it's also a favorite

but it's also a favorite of roadies

The Asym Hammockstrap and Supergrip Capstrap combined with a supportive Heel Hammock in the hi-back cradles your boot with supportive comfort

Lightweight mono-mesh upper

The fan-favorite returns with the legendary comfort and stability you’ve loved for years

proprietary Butter Blend fabric

Men's Classic Thermal Merino Base Layer 1/4 Zip Size:XL but it's also a favoriteSmartwool updated the fit of the Men's Classic Thermal Merino Base Layer 1 4 Zip to improve functionality while also enhancing aesthetics. As one of the 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,