Please note this is in Asian sizing, Asian size is smaller than western size e.g. UK, US, AU, please check the measurements carefully before making a purchase. Please allow 2-4cm error due to the manual measurement and different measurement methods. If you are not sure which size to buy, please provide height and weight, we will recommend a suitable size. S: length 26cm (10.2 inches), chest 62cm (24.4 inches), shoulder 32cm (12.6 inches), fits weight 25-40kg; M: length 27cm (10.6 inches), chest 72cm (28.3 inches), shoulder 35cm (13.8 inches), fits weight 40-50kg; XL: length 29cm (11.4 inches), chest 92cm (36.2 inches), shoulder 41cm (16.1 inches), fits weight 60-70kg; 2XL: length 30cm (11.8 inches), chest 102cm (40.1 inches), shoulder 45cm (17.7 inches), fits weight 70-80kg; 3XL: length 3