And the reviews are in: "With its unique pivoting blade, the best course runs and best scores for efficiency speed and ergonomics went to the Volo. Earned no subjective scores below excellent." -Scuba Lab "They're like mercury's winged boots... Everything I want-power, agility, speed. I just love these fins." -Scuba Lab "Truly the best of both the Volo and the Quattro, combining pivoting blade efficiency and channel thrust power." - Sport Diver Magazine