B1 Size Chart

 

SIZE	US size	UK size	Bust（IN）	Waist （IN）	Hip（IN）
XS	0	4	29.5-31	22.5-24	32.5-34
S	2	6	31-32.5	24-25.5	34-35.5
M	4	8	32.5-34	25.5-27	35.5-37
L	6	10	34-35.5	27-28.5	37-38.5
XL	8-10	12-14	35.5-37	28.5-30	38.5-40
2XL	12	16	37-38.5	30-31.5	40-41.5
3XL	14	18	38.5-40	31.5-33	41.5-43
4XL	16	20	40-41.5	33-34.5	43-44.5
5XL	16-18	20-22	41.5-43	34.5-36	44.5-46

*Depending on your body type and dressing habits, the above sizes are for reference only.