This improved snorkeling fin features flexible channels for a more direct flow of water down the blade to maximize water displacement and minimize resistance. The independent blade gives you the added advantage of power. Soft and durable TPR (Thermo Plastic Rubber) foot pocket for a comfortable fit. Durable EVA (Ethylene Vinyl Acetate) material for the fin blade. High performance in a lightweight fin. Ribs channel water for efficient propulsion and enhanced stability. Full-size blade has vents to supplement kicking power. With side flow channeling. Ideal fin for skin divers. Stream-lined design. Colors Available: Blue & yellow Size & color available: size S (6-7) yellow or blue size M (7-9) yellow