Paladin Men's Cat Design Cycling Jersey polyester Breathable fabric is moisture and wicking to keep cool, dry Have antibacterial and deodorant performance to stay fresh Sun protection is UPF 30+ and offer you good thermoregulation Design is not easy to peel, fade or cracking thanks to Sublimation Printing Asian size,2 sizes smaller than US size,please select 2 sizes up to buy,it means Asian L=US S