Ideal for competitive swimmers aiming to optimize their training, the arena Powerfin Pro II focuses on leg muscle engagement during each kick phase. As with the original Powerfin Pro, this second version is an essential addition to any dedicated athlete's gear bag. Features Limited Edition arena 50th Anniversary Collection Color Short blade provides maximum forward thrust Open heel allows for complete range of motion in ankles Extra soft silicone construction ensures comfort while training Notches and side grooves provide additional control which each kick Left and right fins are individually shaped for a perfect fit Details Material(s): 100% Silicone Country of Origin: Imported