Aqua Lung Express Full Foot Diving Fins - Lightweight Scuba Snorkeling Fins for Men & Women - Perfect for Ocean, Pool, and Beach Water Sports

Product Description

This High performance, full-foot fin is based upon the Slingshot technology coupled with the latest in materials innovation. The result is comfort and performance. The blade is not directly attached to the front of the foot pocket. The Fulcrum point is at the patented Mid-Foot location, known as the? Mid-foot Flex Joint?. This takes the strain off of the toes and ANKLE and allows the entire foot to be used. This results in incredible comfort. To bridge the gap between blade and foot pocket and membrane is used. The is a patented, elongating membrane made out of super-elastic rubber. It serves two functions: accumulates elastic energy during each kick and gives it back at the end of the kick make a complete connection between foot pocket and blade, eliminating hydrodynamic gap that water can move through. Foot pocket made with different Thickness zones for better transmission of power from leg to fin, integrated power transmission belt keeps pocket from stretching on power stroke, low profile eliminates drag and turbulence, large rubber side ribs are high enough to channel water flow down the blade without letting water? Spill? Over the edges.