Extremely flexible and powerful, Cressi Light Flexible Fins improve kicking cycle with polypropylene blade. The flexible blade with a snap requires less effort for kicking. Extended side stringers and 2 flaps make the fins very directional. Foot pocket features comfortable elastomer construction and computer delivers leg-fin blade thrust transmission. Uniquely designed extra-wide and soft foot pocket transfers the load of kicking towards the heel. The Cressi Pro Light Flexible Fins come with quick-release corrosion and impact resistant buckles and rubber straps.