Mares Full Foot + Snorkelling Fins Size Guide
Size guide for Mares FF (Full Foot) fins with a foot pocket. These fins are designed primarily for snorkelling or warm water diving and barefoot, they do not have a deep enough foot pocket to accept a sock.
| Labelled Size Single EU Size | EU Size | UK Size |
| 36 | 36 - 37 | 3 - 4 |
| 38 | 38 - 39 | 5 - 6 |
| 40 | 40 - 41 | 6.5 - 7.5 |
| 42 | 42 - 43 | 8 - 9 |
| 44 | 44 - 45 | 9.5 - 10.5 |
| 46 | 46 - 47 | 11 - 12 |