The unisex arena Powerfin Pro Swim Fins are ideal for advanced swimmers. These fins feature a short blade and a uniquely engineered design for high-frequency, fast kicks. Features Unisex training swim fins Logo at top Inclined blade for maximum forward thrust Short blade for high-frequency kicks Special cuts on bottom ribs provide faster power kick Side rails for better control Open heel design allows maximum ankle flexibility 100% long-life silicone for superior comfort and reduced chance of blisters PVC-free composition Unisex fins sized in men's shoe sizes Details Materials: 100% Silicone Closure: Slip on with ankle straps Country of Origin: Imported