Weelly Life Men Cycling Bike Bicycle Jersey + Pants Set Short-sleeved, L (Us Medium) jacket material:100% polyester mesh fabric, pants material:80% lycra and 20% spandex, COOLMAX cushion quick-drying,the drying speed is 5 times of pure cotton. breathable, lightweight. full invisible zipper, 3 rear pockets, very convenient. full sublimation thermal transfer, Italy environmental ink, never fade. waistband on elastic and trousers with slip.