materials and design for comfortable, long wear Ultra soft toe box reduces blisters during prolonged use Soft EVA and PVC construction delivers exceptional comfort for fatigue swimming and diving, especially for young swimmers Secure, growingfoot friendly fit Innovative 3 position heel strap system adapts to growing feet for a secure fit Breathable drainage channels help prevent sand accumulation, making these fins suitable for ocean and freshwater use Color options and easy wear Available in blue, yellow, orange and green Quick release buckles make putting on and taking off effortless, ideal for pool parties and beach vacations Versatile and suitable for a wide audience Fins are suitable for kids, children, boys, girls, youths, women, men, adults, beginners and professionals Use for swimming, snorkelling, training and diving Helps you quickly learn how to swim and supports safety in the water practical use scenarios Pool practice and lessons: learn proper fin kick technique with comfortable, blister wear Beach and open water: snorkelling and swimming in ocean or lake environments with sand drainage Training and diving sessions: suitable for both beginners and experienced swimmers during workouts and exploration Key attributes Material: EVA and PVC for comfort and durability Fit: 3 position adjustable heel strap for growing feet Drainage: breathable channels to prevent sand buildup Performance: fatigue swimming and diving experience with a soft toe box Compatibility: suitable for a wide range of ages and skill levels across swimming, snorkelling, training and diving