The Free Frog enjoys the exclusive characteristics of the Cressi diving fins maintaining the spirit of the legendary Frog. It features a below blade foot pocket in order to have a bigger surface that increasing the kicking thrust. It is manufactured in a variant of low-modulus polypropylene that, combined with a particular structure, combines a great flexibility, softness, and resistance to a demanding use, durability, and an unprecedented aesthetics in fins projected with this philosophy.