Size	Sproglet (2-4 yrs)	Sprog (4-7yrs)	Yoof	XS	S/M	L10/12	L/XL	L14/16	XXL
Weight KG	15-25	20-35	30-40	30-50	45-70	45-70	65-90	65-90	85-110
Chest CM (a)	50-60	55-65	60-90	70-100	80-110	80-110	90-120	90-120	100-130
Chest Inch (a)	20-24	22-26	24-35	28-39	31-43	31-43	35-47	35-47	39-51
Uplift >N (b)	40	50	40	45	55	55	55	65	70

PFD N uplift varies from model to model, value shown is the minimum across the range.
Kids Zip approximate ages: Sproglet: 18 months - 3 years. Sprog: 3-8 years.
Ladies size PFDs have specific chest foam layouts.