| Infants, Toddlers, & Kids | ||||||||
| Size (approx) | Alpha | Height in Inches | Weight in lbs | Age | Chest in Inches | Waist in Inches | ||
| 0-3m | up to 22" | up to 11 lbs | 0-3 mos | |||||
| 3-6m | 22-25" | 11-15 lbs | 3-6 mos | |||||
| 6-9m | 25-27" | 15-18 lbs | 6-9 mos | |||||
| 9-12m | 27-29" | 18-22 lbs | 9-12 mos | |||||
| 12-18m | 27-31" | 18-26 lbs | 12-18 mos | |||||
| 18-24m | 29-33" | 22-29 lbs | 18-24 mos | |||||