Smartwool 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 their 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, running, and more.

Features:
-Slim Fit
-100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance
-Fit updated to improve functionality while enhancing aesthetics
-Shoulder panels eliminate top shoulder seams
-Flatlock seam construction designed to minimize chafing
-10' (25 cm) center front zipper semi-locking slider
-Knit in Vietnam: 100% Merino Wool. Exclusive Of Decoration
-Garment Weight: 298 g = 10.51 oz
Style: SW016355