Mares Volo Race FinsThe Volo Race diving fins feature a closed, anatomically designed foot pocket, which ensures a secure and comfortable fit. Equipped with both OPB (Optimized Pivoting Blade) and Channel Thrust technology, the Volo Race fins offer exceptional performance with minimal effort. The OPB technology optimizes the blade's pivot angle, minimizing resistance and maximizing thrust. This results in improved power transfer and reduced fatigue, ensuring a remarkable