Terramar Thermawool Cs Women's Full Zip Shirt ClimaSense Thermoregulation Technology keeps you comfortable in all conditions - Engineered to adjust to your body temperature - Inhibits the growth of bacteria that causes odor - Fast wicking and drying Brushed microfiber against the skin for no itch Midweight warmth and superior breathability Functional thumbholes and flat seam construction UPF rating 50+