The Mares Volo scuba fin is a gigantic leap forward in fin technology. This fin is so revolutionary; it is covered by 8 different patents. Thanks to the mares Optimized Pivoting Blade system, the Volo is 30% more efficient than traditional fins. The Volo ABS delivers the performance of the new split fins without the fluff most people experience when swimming splits. The Mares Volo also allows you to use alternate kick strokes not possible with splits fins. The construction of this fin and the backing of Mares, one of the largest scuba companies in the world, combine to provide you the best scuba fin available. Try a pair of the Volo ABS Open Heel Dive Fins.