Seac Propulsion fin sizing. Imperial in bold, metric underneath.
| Size | Weight lb · g |
Fin length (A) in · cm |
|---|---|---|
|
S/M Size EU 39/41 · Size UK 6.5–7.5 · Size US 6.5–8 |
1.88 852 |
24.40 62 |
|
M/L Size EU 42/44 · Size UK 8.5/10 · Size US 8.5/10 |
2.22 1009 |
26.37 67 |
|
L/XL Size EU 45/47 · Size UK 11/12.5 · Size US 11/12.5 |
2.56 1163 |
27.16 69 |
From Seac’s chart: The indicated weight refers to a single fin The sizes are indicatives and depends at the socks you want to wear
Source: Seac’s size chart (original chart).











