UPF50 + to protect your skin effectively outside. Cycling Trousers: 80% polyester + 20% spandex, high elasticity, combined with ergonomic design and 3D cutting technology, the shorts fit well. 【 Pockets 】 -- 3 back pockets and 1 zipper pocket for phone, keys, wallet, sunglasses, goggles, whistles, small flashlights and other cycling kits.