The Women's Classic Thermal Merino Base Layer 1/4 Zip now features an updated fit for improved functionality and enhanced aesthetics. As one of the heaviest base layer tops for cold weather, it’s made from 100% responsibly sourced Merino wool and includes shoulder panels and flatlock seam construction to help prevent chafing. Designed to keep you comfortable and temperature-regulated during high-intensity activities like skiing, hiking, running, and more.

• Merino - Very warm high quality wool with natural antibacterial properties to keep you fresh for longer
• Slim fit - A snug fit designed to fit close to the body, usually by tapering the cut through the midsection and waist