Aeris Mako Scuba Diving Fin: The Aeris Mako Fin is a precision blend of ergonomics, hydrodynamics and materials technology created for ultimate comfort, efficiency and performance. The Aeris Mako blade`s flexible center area creates a massive water channel by utilizing the entire surface area of the blade and foot pocket. The engineered channels and side rails direct water flow off the tips of the fin without allowing water to *spill* from the sides of the blade for uncompromising power and efficiency. Features: Flexible center channel accelerates water over the blade for improved efficiency A series of high performance vents reduce stress while accelerating water over the blade Oversized blade produces increased thrust and propulsion Generous yet streamlined foot pocket fits a wide range of boot styles while significantly reducing drag Extremely lightweight for increased performance and ease of travel Easy adjust quick-release buckles