The national standard size is marked in the form of "size/body shape (body shape)", in which "size" represents height, "body shape" represents net circumference (shirt is net bust, pants is net waist), and "body shape" represents human body shape (divided into Y, A, B and C according to the difference between chest and waist).
175/92A indicates a type A person with a height of about 175cm (between 173- 178) and a clear chest circumference of about 92cm (between 90 and 94).
The extended data body code divides the human body into four types: Y, A, B and C according to the chest-waist drop. Y represents the drop value of 22- 17cm (male), 24- 19cm (female), and A represents the drop value of 16- 12cm (male),18-1.
B indicates that the drop value is 1 1-7cm (male) 13-9cm (female), c indicates that the drop value is 6-2cm (male) and 8-4cm (female), and a is a general standard figure.