C4 freediving Umberto Pelizzari Sideral Soft freediving fins Size:EU 42-43 its standout feature is the

its standout feature is the integrated slip tip

Delivering an impressive >1300 lumens

and safety-conscious explorers

By preventing internal corrosion

while the integrated

C4 freediving Umberto Pelizzari Sideral Soft freediving fins Size:EU 42-43 its standout feature is theDive deeper with the C4 Sideral Soft fins, designed in collaboration with freediving legend Umberto Pelizzari. Engineered for exceptional power and efficiency, their soft blade composition requires less effort, making them ideal for long dives and all skill levels. The anatomical foot pocket provides a secure, comfortable fit, minimizing energy loss and maximizing power transfer. Innovative water channels optimize flow to reduce drag, ensuring every