Our clothes are American size.
(1)Size(cm)
S:Hip91-94 Chest85-88 Waist 65-67
M:Hip97-99 Chest90-93 Waist70-72
L:Hip103-107 Chest97-100 Waist76-80
Xl:Hip110-116 Chest104-109 Waist84-88

Size(inch):
S:chest33.5" - 34.5"t waist25.5" - 26.5" hip36" - 37"
M:chest35.5" - 36.5"t waist27.5" - 28.5"t hip38" - 39"
L:chest38" - 39.5"t waist30" - 31.5"tt hip40.5" - 42"
XL:chest41" - 43"t waist33" - 34.5"t hip43.5" - 45.5"

2 What is one size?
Some clothes have only one size.It usually means size small to middle with elasticity