The Aqualung Storm is a great all-around fin ideal for travel. Produced using Monprene, a single TPV compound material construction gives both durability and strength while maintaining exceptionally light weight, exactly what the traveling diver requires. The innovative foot pocket design has the advantage of a full foot fin for comfort with bare feet and the versatility of an open-heel fin for sizing. Ergonomic foot pocket ensures comfort, freedom and prevents fatigue. Silicone bungee strap equipped with heel pad for easy on-and-off. Strong compact blade aids in efficient power transfer. Excellent grip on the underside to reduce slippage on deck. Access hole in the blade for easy transport and storage. Simplified size identification by color-coding on the bungee protector and blade insert. X-large fin weighs 3 lbs. (1.36 kg). Available in a wide range of sizes covering from junior to adult.