Size Charts for O'Brien Life Jackets
Shop O'Brien Life Jackets
Adult Neoprene O'Brien Life Jacket Sizing
US Size | Chest (in.) |
X-Small | 28 - 32 |
Small | 32 - 36 |
Medium | 36 - 40 |
Large | 40 - 44 |
X-Large | 44 - 48 |
2XL | 48 - 52 |
3XL | 52 - 56 |
4XL | 56 - 62 |
5XL | 62 - 68 |
Adult Nylon O'Brien Life Jacket Sizing
US Size | Chest (in.) |
Teen X-Small | 28 - 32 |
Adult Small | 32 - 36 |
Adult Medium | 36 - 40 |
Adult Large | 40 - 44 |
Adult X-Large | 44 - 48 |
Adult 2XL | 48 - 52 |
Adult 3XL | 52 - 56 |
Adult 4XL | 56 - 62 |
Adult 5XL | 62 - 68 |
Kids O'Brien Life Jacket Sizing
US Size | Weight Range |
Infant | Up to 30 lbs |
Child | 30 - 50 lbs |
Youth | 50 - 90 lbs |