Male LZR and FS-Pro Sizing   *Speedo suggests swimmers below these suggested measurements try female sizing.
EQUIVALENTS	small *	small long	medium	med long	large	large long	x/l
Body Loop	67	69	69	71	73	75	75
Chest	40	40	42	42	44	44	46
Waist	28-30	28-30	32	32	32.5	32.5	33
Inside Leg	30	30	31	31	31.5	31.5	32
Thigh	22	22	22.5	22.5	23	23	23
Weight	120-140		135-155		150-175		170 & up
Female LZR and FS Pro Sizing
Suit Size	24	25	25	26	26	27	27	28	28	29
			long		long		long		long
Body Loop	57	60	62	62	64	64	66	66	68	68
Chest	33	35	35	37	37	38	38	39	39	40
Waist	26	27.5	27.5	28	28	29	29	30	30	31
Inside Leg	27	27	27	27.5	27.5	28	28	28.5	28.5	29
Thigh	20	20	20	21	21	21	21	21.5	21.5	22