The frog plus utilizes cressi’s patented three material injection molding process. The three materials consist of a nice comfortable rubber on the foot pocket that extends up the side rails of the blade. The second material is the revolutionary new dual density techno polymer which forms the blade, and in conjunction with the third silicone based material creates a channeling effect. Cressi’s latest addition to its extensive line of world renowned fins is the frog plus open heel scuba diving fin. The frog plus features many of the great characteristics of a traditional paddle fin along with introducing a revolutionary new blade material that is both extremely durable and nearly indestructible
