BREATHABLE AND DURABLE MATERIAL: The inner and outer layers are constructed with a blend of 60% combed ring spun cotton and 40% Polyester RELAX FIT WOMEN'S WEAR: Tagless design, hemmed cuffs and flat seams of these performance shirts provide smooth fit and freedom of motion when worn EFFICIENT DESIGN: Convenient hemmed cuffs maintain coverage in various activities COMFORTABLE BASE LAYER: Women's thermal top with Thermachoice System traps air between layers providing a natural barrier of warmth MULTIPURPOSE WOMEN'S APPAREL: This versatile clothing is great for dressing with minimal layers as a casual or active wear in cold to very cold weather and low to medium activity levels; Compatible for all-weather sports and activities ColdPruf Women's Tops are perfect worn on its own or as a base, mid, or outer layer. Thermal tops are designed to provide you a soft feel while the layers of fabric provides a natural warmth shield to keep you warm and comfortable. The ColdPruf Base Layer product line has been developed for comfort in all cold weather environments, whether at home, on the job or enjoying the outdoors.