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