Weelly Summer Men Short Sleeve Cycling Jersey Shirts Pants L (Us Medium) jacket material:100% Polyester, COOLMAX cushion quick-drying,the drying speed is 5 times of pure cotton. breathable, lightwAeight, quick-dry, make you feel more comfortable, suit for long time riding. full invisible zipper, 3 rear pockets, very convenient. full sublimation thermal transfer, Italy environmental ink, never fade. waistband on elastic and trousers with slip.