These Full Foot Snorkeling Fins are a Perfect-Companion to a Mask and Snorkel for a day in the Water. You can spend hours in the water with the Soft Rubber Foot Pockets with Open Toe Design for Comfort. The Quick-Reaction Snap Blade made from Thermo-Plastic with Flex-Panels for Improved Thrust. Fins are equipped with Reinforced Side-Rails to Stiffen the Blade and Control Lateral Spillage of Water. This design Focuses-the-Thrust Directly-Off the End-of-the-Blade for Maximum Propulsion. This Composite Non-Vented Fin is available in Multiple-Sizes and Colors and is covered by a 24 month limited warranty.