SmartWool® Women's Classic Thermal Merino 1/4 Zip Base Layer has been elevated to help bring you more comfort to conquer cold weather days and activities. Updated fan-favorite with new colors and a new fit to improve functionality while enhancing aesthetics. Shoulder panels eliminate top shoulder seams and a flatlock seam construction helps minimize chafing. Add one of SmartWool's best base layers for cold weather to your winter wardrobe and experience the difference the next time you go skiing, hiking, climbing, or biking. Merino 250 heavier, soft, 100% Merino Wool fabric offers breathable warmth, moves sweat away from the body, and provides next-to-skin comfort in colder conditions Interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance Fit updated to improve functionality while enhancing aesthetics for a range of body shapes Back body seam wraps to front for body-enhancing fit 1/4 zip with raglan sleeves Flatlock seam construction designed to minimize chafing Slim Fit Knit in Vietnam Product Features: Fabric:100% Merino Wool Weight:8.23 oz. (236 g) SmartWool Women's Classic Thermal Merino 1/4-Zip Baselayer Top