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.

• Fit: Slim.
• The 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). 
• 100% Merino-Wool
• Exclusive of Decoration.