Note: All measurements are in inches unless otherwise noted
O'Brien Adults' Life Vest Sizing
VEST |
XS |
S |
M |
L |
XL |
XXL |
3XL |
4XL |
5XL |
| Chest | 28-32 |
32-36 |
36-40 |
40-44 |
44-48 |
48-52 |
52-56 |
56-62 |
62-68 |
O'Brien Kids' Life Vest Nylon Sizing
VEST |
WEIGHT |
Infant |
up to 30 lbs |
Child |
30-50 lbs |
Youth |
50-90 lbs |