Our All-Season-weight Merino meets your favorite 1/4 zip style with our Women's Classic All-Season Merino Base Layer 1/4 Zip. With 100% Merino wool next to skin and stretch merrow stitching designed to elevate comfort, range of motion, and fit, you'll feel ready to take on anything at anytime. | Smartwool Women's Classic All-Season Merino Base Layer 1/4 Zippers Top in Iron Heather | Size: Small