Stay out in the sun comfortably wearing the adidas Women's Backless Hat. The UPF 50 protection keeps you safe against the sun's harmful rays, and the backless design with an elastic closure provides a personalized fit. The 97% recycled polyester and 3% spandex construction offers a lightweight, breathable wear. adidas Women's Backless Hat Black/Grey - Women's Athletic Hats And Accessories at Academy Sports