Smartwool Men’s Classic Thermal Merino BaseLayer 1/4 Zip Shirt

The Smartwool Classic Thermal 1/4 Zip has an updated fit 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, running, and more.

• Fabric | 100% Merino Wool
• Fit | Slim
• | Fit updated to improve functionality while enhancing aesthetics, Shoulder panels eliminate top shoulder seams, Flatlock seam construction designed to minimize chafing, Machine Wash Warm Gentle Cycle.