Our new and improved Women's Merino 250 Base Layer 1/4 Zip is here to bring you a better feeling, better performing, and better-looking garment. As one of our 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 keep you comfortable and temperature regulated as you enjoy high-intensity skiing, hiking, running, and more.Merino 250This heavier, soft, 100% Merino wool fabric offers breathable warmth, moves sweat away from the body, and provides next-to-skin comfort in colder conditions.>Slim Fit>100% Merino wool fabric made with an 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>Crew neck with raglan sleeves>Flatlock seam construction designed to minimize chafing