Aqua Lung Caravelle Diving FinThe Caravelle is an incredibly comfortable and lightweight fin with the power and efficiency of many larger and heavier fins. The key to its power is the specially formulated blade material that provides additional thrust at the end of every kick! FEATURES: Lightweight, full-foot pocket fin Super soft and comfortable foot pocket for hours of snorkeling fun! Made from thermoplastic material, providing extraordinary elasticity and snap Fin blade extends below the heel for improved leverage and power transmission Extended fin blade also reduces stress on the arch by transferring blade forces to the heel The thin but strong fin blade is completely bordered in rubber providing maximum active and passive protection