Double K - Delfit Carbon Bifin mask whether they are used for

whether they are used for distance in the pool or for depth in open water

shatterproof lenses that give you a wide range of vision

trousers and top

Blade made of 100% aerospace hot melt prepregs high modulus IM7 fibers3

Dive logbook

Double K - Delfit Carbon Bifin mask whether they are used forDouble K Delfit Carbon Bi Fins The Double K Delfit Carbon Bi Fins are high performance carbon freediving fins built for divers who want efficient propulsion, precise blade response and a secure foot pocket connection. The Delfit system combines high elastic carbon blades, autoclave molded construction and Double Ks dedicated Delfit foot pockets. The result is a responsive carbon fin setup for dynamic apnea, CWT, depth training and serious freediving