XS: Back length 19CM, chest 30CM
S: Back length 23CM, chest 35CM
M: Back length 29CM, chest 42CM
L: Back length 34CM, chest 45CM
XL: back length 39CM, chest 50CM
XXL: back length 44CM, chest 54CM

Note: Due to manual measurement, there are errors in the data, and the size of the error will not exceed 5CM.