Kos paddle fins has a large bore and

has a large bore and is a well-connected anatomical shape without sharp curves

Anti-fog valve system

together with a perfect union between blade and foot

Frameless technology

This valve is paired with a body with metallic parts treated in PVD

Kos paddle fins has a large bore andKos The Weight Belt is the must have for the passionate freediver. Works great also for scuba diving. It's made of strong woven Nylon with a hard plastic buckle. The quick release buckle provides instinctive and rapid emergency release. The buckle pin is made of light and long lasting plastic. Features: Belt: strong woven nylon. Buckle: hard plastic. Buckle system: quick release.