PianPian Outdoor Sports Men's Short Sleeve Giant Shimano Cycling Jersey and Shorts Set jacket material:100% polyester mesh fabric, pants material:80% lycra and 20% spandex, COOLMAX cushion Breathable PN Mesh Fabric design for the jersey with good function for keeping drying and cooling quick-drying,the drying speed is 5 times of pure cotton. breathable, lightweight. waistband on elastic and trousers with slip. full sublimation thermal transfer, Italy environmental ink, never fade.