Flexible Material: Designed With 100% Soft, Hypoallergenic Silicone For Unmatched Comfort And Durability. Ergonomic Design: The Anatomically Shaped Fins Adapt To Your Feet, Providing Support Where You Need It Most. Ankle Flexibility: Promotes Shorter, Faster Kicks While Generating Propulsion Through Water, Enhancing Your Performance. Stable And Non-Slip: The Bottom Features A Concave-Convex Pattern For Superior Grip On Wet Surfaces. Travel Friendly: Compact Design Makes These Fins Ideal For Swimmers On-The-Go. Experience swimming like never before with our Flexible Swim Fins, crafted for both adults and children. Engineered from hypoallergenic silicone, these fins ensure comfort and flexibility, making them perfect for training in various styles including crawl and breaststroke. The ergonomic design fits your feet perfectly, enhancing support and comfort whether you're in the water or on land.