TOPTIE Short Sleeve Cycling Jersey Shirt, Men's Our sizing ( from XL to 5XL ) has been improved: Size XL fits like US Size M; Size XXL fits like US Size L, and so on. US Sizes are shown on the back collar of the jersey. Please check our SIZE CHART in the picture to make sure the item fits your measurements. 100 percent polyester fabric with sublimation print. Full-length hidden zipper for venting; zipper on the LEFT HAND side. Silicone gripper elastic at the waist hem holds jersey in place. Three fitted back pockets storage for all your essentials.