What do these symbols stand for? Don't worry, Bian Xiao will explain it for you one by one. Size: It is an identification number indicating some basic sizes of clothes, that is, the size of clothes-it refers to the height of the human body, expressed in centimeters, and is the basis for designing and purchasing clothes. Type-refers to the chest circumference or waist circumference of the human body, expressed in centimeters, which is the basis for designing and purchasing clothes. Upper refers to the bust, lower refers to the waist. Body type-Body types are classified according to the difference between chest circumference and waist circumference, and are divided into four types: Y, A, B and C. Y indicates that the difference between chest circumference and waist circumference is between 19 cm and 24 cm. A indicates that the difference between chest circumference and waist circumference is between 14 cm and 18 cm. Height is divided into 5cm series, chest circumference is divided into 4cm series, waist circumference is divided into 4cm and 2cm series. The series are as follows: XS S M L XL shirt model150/76a155/80a160/88a165/88a170/92a skirt/trousers size150/92A. 66a165/70a170/74a women's dress size unit introduction size comparison table s: small-(female: m: medium l: large XL: extra large increase approximate height: size corresponds to height (cm) men's wear [1] women's wear s165/.