The fin has been remade with a new molding technology. The foot pocket has been improved to fit most all foot shapes. The Free Frog enjoys the exclusive characteristics of the Cressi diving fins maintaining the spirit of the legendary Frog. It features a below the blade foot pocket that provide a larger surface area to increase kicking thrust. It is manufactured in a variant of low-modulus polypropylene that, combines great flexibility, softness, and resistance to a demanding use. The Free Frog is designed and developed in Italy by Cressi, an Italian brand pioneer in Scuba Diving, Freediving and Spearfishing equipment. Fin foot pocket has a large heel pull tab for easy donning and doffing. This full foot non-vented fin design is available in multiple sizes. The Cressi Free Frog fins have a new and improved design built for a better fit, smoother thrust, and greater durability. Cressi has used new molding technology to create a foot pocket designed to fit most foot shapes comfortably, and in a new stroke of genius, the foot pocket has been positioned below the fin for more fin surface area resulting in increased thrust. They are made with a low-modulus polypropylene which makes for a flexible, soft, durable, and certainly stylish set of fins. Between the sleek design and your increased swim speed while wearing them, Cressi Free Frog Fins are like Ferraris for your feet. Cressi Free Frog Fins Features: -Remade w/New Molding Technology -New Improved sleek, stylish design -Foot Pocket: Improved to Fit Most All Foot Shapes -Maintaining Spirit of Legendary Frog -Manufactured in Variant of Low-Modulus Polypropylene -Designed to fit most foot shapes comfortable -Large Heel Pull Tab for Easy Donning amp; Doffing -Non-Vented Fin Blade Design -Made with low-modulus polypropylene for greater flexibility and durability -Combines Flexibility, Softness amp; Resistance to Demanding Use -Below-the-Blade Foot Pocket Provide Larger Surface Area to Increase