NWT-color sold out online. Beat the heat in a lightweight, breathable pullover in a fun colorblock made from woven stretch fabric that also blocks the sun. Designed for the very best performance and effortless, everyday style. Relaxed Fit: Our most generous fit sits farthest from the body. Falls at hip. Outsmart the sun with our UPF 50+ rated fabric that blocks at least 97.5% of the sun's UV rays -- ten times more powerful than a white cotton tee. This UPF popover shirt is easy to take with you or wear over a tee for an extra layer of protection from the elements. 100% polyester. UPF 50+ blocks at least 97.5% of the sun's UV rays -- 10x more than a white cotton tee. Machine wash cold, tumble dry low or line dry in the shade.