Your youngster will love diving in with the Aqua Lung Sport® Jr. Zinger Snorkeling Fins. With energy-saving efficiency in every kick, these fins keep your swimmer comfortable so they stay focused. A heel strap and adjustable buckles allows a custom fit for a snug or loose fit for your champ-in-training. It’s the backyard pool today, and the pros tomorrow with these awesome swim fins! FEATURES: Youth fins for swimming, diving and snorkeling Produces energy-saving power with each kick Dual composite blades Soft foot pocket for comfortable wear Heel strap with easy adjust buckles for the perfect fit Style: FA2613141L, FA2613141M SIZING: Medium: fits child's shoe size 1-4 Large: fits child's shoe size 5-8