Smartwool Classic Thermal Merino Base Layer 1/4 Zip

We'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, running, and more.

Features:
- Fit: Slim
- Our slim fit is intended to follow the contours of the body
- Fabric helps combine the moisture management, temperature regulation, and odor resistance of 100% Merino wool with interlock knit for comfort
- Flatlock seam construction and offset shoulder and side seams designed to help increase comfort and minimize chafing
- Side seams wrap to front
- Size medium center-front zipper: 10" (25 cm)
- Made in Vietnam: 100% Wool-Merino. Exclusive of Decoration.