This enhanced Men's Classic Thermal Merino Base Layer 1/4 Zip features an improved fit for superior functionality and style. Crafted from 100% responsibly sourced Merino wool, it offers exceptional warmth as one of the heaviest base layers available. Designed with shoulder panels and flatlock seams, it reduces chafing and maintains comfort during intense activities like skiing, hiking, and running. Its advanced temperature regulation keeps you dry and balanced, making it an essential layer for cold-weather performance.

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
SW002822