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During the fin stroke, water flow is directed through our exclusive Power Enhancing Vents (PEV's) and off the fin tips, creating lift and forward propulsion. So much so, that the Velocity X3 is the only "paddle" fin that benefits from Nature's Wing Propeller Fin Technology. This helps reduce the stress on the divers leg while accelerating water over the blade; resulting in increased velocity. Water movement through the PEV's also reduce lateral movement of the fin (wasted energy), increasing the efficiency of the klick.
Customers most agreed on the following attributes:
from Hawaii on 4/14/2011
Comments about Aeris Aeris Velocity X3 Open Heel Fins with Spring Heel Straps:
overal great product, love the spring straps and performance despite being a tad heavier than expected.
from hong kong on 2/25/2011
Comments about Aeris Aeris Velocity X3 Open Heel Fins with Spring Heel Straps:
used it for the first time last week in cold and calm water. this fins are not too flex, and have great propulsion, light weight (about 1.1 kg one), and fast! you can feel the feedback on your feet, just like traditional blade fins, but less effort, and when you kick in turbo mode, it delivers good acceleration and speed, good maneuverability, and good for other kicking styles as well (frog kick, helicopter turn, back way).
[2 of 2 customers found this review helpful]
Comments about Aeris Aeris Velocity X3 Open Heel Fins with Spring Heel Straps:
smooth and easy upkick and downkick. good foot pocket. I wear a size 12 standard booty 5mm.