Seac F1S Sling Strap Fins Colour:Pink It also has Overpressure relief

It also has Overpressure relief valve

Atomic Aquatics metallurgy expertise drives us to design the M1 for extreme diving

ideal for exploring open ocean

Beam: 4 degrees

5ltr cylinder and mounts it to your backplate

Seac F1S Sling Strap Fins Colour:Pink It also has Overpressure reliefRobust foot pocket, square profile and reinforced edges. All this is surprising if we consider an ultra light fin like the Seac F1S which, in just 730 gr. The Seac F1S features a blade designed to minimize the effort and release an unprecedented thrust in such a light fin. The Ultra Flex technopolymer joins the rigid sections of the blade to guarantee flexibility, ease of return of the fin and therefore less effort. The addition of the "S"