Note:This product"s size is smaller than US size standard, please go 1-2 sizes up when you choose size * cycling jersey is made of 100% polyester keep you comfortable while riding in hot whether. with quick dry moisture and breathable function. * These cycling wear with high tech fabric breaths to keep you dryer by wicking sweat away from your ski * COOLMAX: Quick-Dry Function and Make you Feel More Comfortable * technic: all the bikes wear is full dry sublimation printing or computer printing.