| Kids | ||||||||
| Size (approx) | Alpha | Height in Inches | Weight in lbs | Age | Chest in Inches | Waist in Inches | ||
| 2 | XXS | 31-34" | 26-29 lbs | 1-2 yrs | 20½" | 20" | ||
| 3 | XXS | 34-38" | 29-33 lbs | 2-3 yrs | 21" | 20½" | ||
| 4 | XS | 38-42" | 33-37 lbs | 3-4 yrs | 22" | 21" | ||
| 5 | S | 42-45" | 37-43 lbs | 4-5 yrs | 23" | 21½" | ||
| 6 | S | 45-48" | 43-50 lbs | 5-6 yrs | 24" | 22" | ||
| 7 | M | 48-51" | 50-57 lbs | 6-7 yrs | 24¾" | 22½" | ||
| 8 | M | 51-54" | 57-67 lbs | 7-8 yrs | 27" | 23½" | ||