| Spiral 100N | Body Weight (> Greater than; < Less than) |
Chest | Minimum Buoyancy |
| Baby | <15 kg | 40-57 cm (16-22 “) | 30 N |
| Child | <20 kg | 53-61 cm (21-24 “) | 30 N |
| Large Child | 20-30 kg | 57-70 cm (22-27 “) | 40 N |
| Junior | 30-40 kg | 69-79 cm (27-31 “) | 50 N |
| Adult Small | 40-60 kg | 86-96 cm (34-38 “) | 70 N |
| Adult Medium | 5-70 kg | 97-107 cm (38-42 “) | 80 N |
| Adult Large | >70 kg | 107-117 cm (42-46 “) | 100 N |
| Adult X Large | >70 kg | 117-127 cm (46-50 “) | 100 N |
Spiral 100N Size Guide
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