Body Weight | Chest | Minimum Permanent Buoyancy | |
Small | 110-132lbs (50-60kg) | 80-90cm (31-35") | 9lbs (40N) |
Medium | 132-154lbs (60-70kg) | 90-100cm (35-39") | 10lbs (45N) |
Large | > 154lbs (> 70kg) | 100-110cm (39-43") | 11lbs (50N) |
X-Large | > 154lbs (> 70kg) | 110-120cm (43-47") | 11lbs (50N) |
XX-Large | > 154lbs (> 70kg) | 120-130cm (47-51") | 11lbs (50N) |