How to choose size This is our brand new version, which differs in size from the old version.If you are a loyal customer, you also need to carefully check the size chart before purchasing.If you are unsure about the size, please contact customer service. About Shipping Generally, payment orders will be shipped out in 3 days.We do not accept urgent orders.If it is an urgent order, please do not place it directly.Please contact our customer service team to confirm the time. Thank you for your understanding. Upgrade Underarm upgrade and update, adopting an integrated design connecting the sleeves to reduce friction under the armpits and improve riding comfort and performance. Features This Pro Air Jersey is a lightweight, moisture-wicking, air-flow jersey that ensures all-day comfort and freedom of movement.The breathability of the micro-perforated panels keeps you cool when temperatures rise. ● SBS self-locking full zipper ● Added neck protection device ● The powerband gripper to secure jerseys stays in place ● 3 back pockets for storing your cycling belongings ● Rear reflective elements enhance visibility in low light conditions. Try on report Model A: 170cm/67.5kg in L Model B: 175cm/70kg in XL Size Chart Attention: Asian Size. Slim Fit The size table is for reference only, we measure by hand. There is a 1-2cm error. Better measure your body, A chest b waist front length.Do not choose the size based on your clothing, if you can't decide on a size, you can contact our store's customer service, they will tell you the right size for you. Our cycling wear is pro Aero slim fit, especially suitable for slimmer people. If you are strong, please choose 1 or 2 sizes up. Care Hand wash cold. Do not bleach. Do not tumble dry.Do not iron. Do not use softener.Do not dry clean Do not soak Fabric All Colors