Xinzechen Men's Cycling Sports Jersey Short Sleeve polyester SIZE TIPS: Asian size may be 1-2 size smaller than US or EU; Usually buying one size up will be OK, but with a extremely big-boned or full figure, we suggest that buying at least two size up; please view the size chart image before ordering Material: Jersey 100% Polyester; breathable mesh fabric Imported ink printing technology,so never worry about color fading According to human engineering design, it will fit your body well Sun protection design: UV 50+, your body temperature can drop 3-5 degrees centigrade