“Although some technical and cave divers may find these fins a little “soft”, they are a worldwide standard for recreational and cave diving. With an excellent foot pocket fit, light weight, comfortable heel strap, and stunning propulsion, they’re the one fin quiver.”
“Improvements from the Imprex II Hyperdry include: 3 rectifying plates in the upper hyperdry system, help water flow out before entering the pipe. More ergonomic mouthpiece. Detachable swivel connector, reduces feeling of pull on the mouthpiece.”