The Smartwool Women's Classic Thermal Merino 1/4 Zip Base Layer is your go-to for cold-weather adventures. Made from responsibly sourced Merino wool, it offers top-notch temperature regulation, moisture management, and odor resistance, keeping you comfortable during a wide range of activities like hiking, skiing, or jogging. Its slim fit hugs the body without feeling restrictive, and the flatlock seams with raglan sleeves help reduce chafing. This base layer has you covered in style and function whether you're layering up for the slopes or just staying warm on a chilly day.

Classic Thermal Base Layer
Made with 100% Merino wool. Ideal for cool to cold weather.