Double K positions the Delfit system around three core ideas: lightweight construction

works with almost any diving mask on the market

Structure: polycarbonate

this tough adhesive bonds to neoprene

more demanding setup

Molchanovs - CORE Swim Cap Color:White Double K positions the DelfitMolchanovs CORE Swim Cap The Molchanovs Core Swim Cap reduces drag and improves performance, all while protecting your head and hair with the CORE Swim Cap. Super lightweight, extra soft, and extra stretchy for a snag free experience on your hair. Perfect for both pool and open water, with five eye catching colors to choose from. Description Whether you are swimming laps in the pool or diving to depth in the sea, protect your hair from the elements