The size is Asian size runs smaller than US,We recommend one size larger than nomal to buy. If you have a big waist or muscular body, please choose 2 sizes larger. Different from other low price seller, We are cycling supplies factory that guarantee top-level quality and good design. Comfortable anatomic design with sublimation print(Using Italian Ink), never fade out. It's harmless to the skin Suitable for all levels cyclists. even you're sweaty the Jersey never adhere to your skin, quick-dry and make you feel more comfortable Cycling Jerseys Material: 100% Polyester, Shorts pants with gel padded: 80% Poly+ 20% Lycra 3-D gel padded with excellent wicking properties Wash with room temperature water, Do not brush or bleach, Please Cool iron. Put in wash pocket when wash in machineKingShine