Soft and smooth fabric lets you move freely. It has Nike Dri-FIT technology to move sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. Thumbholes at the sleeves help cover your hands in a contoured design for extra warmth when you need it. This product provides UVA and UVB protection from the sun in the areas covered by the garment. To protect exposed areas, the use of good quality sunscreen is recommended. Reflective elements Item Length Description: Standard Length The Nike Element Crew Top gives you soft, smooth coverage that can be worn on its own or as an extra layer. Thumbholes help cover your hands in cool weather. Even better, it's made with at least 75% recycled polyester fibers.