O-Ring Harness Size Guide (in)

Clothes Size	Snag Size	Underbust
1/2	A/B	24.41-27.56
4/6	C	27.95-31.50
8/10	D	31.89-34.65
12/14	E	35.04-40.16
16/18	F	40.55-43.31
20/22	G	43.70-48.43
24/26	H	48.82-52.76
28/30	I	53.15-59.06
32/34	J	59.45-64.57