SIZE ATTENTION: Size may run smaller than US size, please view the size chart on the second product image, product descriptions or product reviews before ordering. Made of polyester fabric which has strong moisture wicking ability. 3D structure and innovative design increase the evaporation of sweat and cooling area which can create a ideal air layer. In the hot environment, the jersey will stay dry and cool. Believe it or not, Aaisnavi Jersey will be a must have for your cycling journey. Size Tips: 1.Size Tag S = Chest 36.2'', Height 5'3''-5'5'', Weight 110-121 Lb; 2.Size Tag M = Chest 38.5'', Height 5'5''-5'7'', Weight 121-143 Lb; 3.Size Tag L = Chest 40.9'', Height 5'7''-5'9'', Weight 143-154 Lb; 4.Size Tag XL = Chest 43.3'', Height 5'9''-5'11'', Weight 154-165 Lb; 5.Size Tag XXL = Chest 45.6'', Height 5'11''-6'1'', Weight 165-176 Lb; 6.Size Tag XXXL = Chest 48'', Height 6'1''-6'3'', Weight 176-187 Lb; 7.Size Tag 4XL = Chest 50.4'', Height 6'3''-6'5'', Weight 187-198 Lb; 8.Size Tag 5XL = Chest 52.7'', Height 6'3''-6'6'', Weight 198-209 Lb; Kindly Notes: 1.Size Unit: INCH; Sizes belong to manual measurement and they are measured in flat-laid position; 2.This is not standard US Size Please view the size chart image or contact us before taking your order; 3.If you have any other concerns about the product, please feel free to contact our Aaisnavi Customer Service and we will try our best to help you. Package Includes: 1 x Men's Cycling Jersey Short Sleeve