This essential second layer is made from our lightweight stretch jersey fabric to deliver enhanced comfort and mobility. The fabric features four-way stretch, moisture-wicking, UPF 50+ sun protection and easy-care for optimal performance. Finished with a mock collar and a quarter-zip closure. Features: 89% polyester / 11% Spandex quarter-zip. Four-way stretch, moisture-wicking, antimicrobial properties and easy-care. UPF 50+ sun protection. Machine wash cold with like colors; Tumble dry low. Do not iron. Do not dry clean.