This has been followed and supported by numerous divers around the globe. This fin is made from a soft elastomer and a durable copolymer. This design produces and excellent kicking comfort. The blades are based on the upper foot with about 20% of increasein. Medium to large frog fins are about 8.5 inches wide and 25 inches in length and is made from ethylene-vinyl-acetate – plastic that has good memory. This material memory is important for allowing the fins to come back in the original position without being flattened. An excellent combination for powerful kicking without experiencing leg cramps.
This fin also offers a pair of smaller ribs that runs down to the fin’s center. These ribs allow the wearer to have a powerful movements and minimized drag when kicking up and down.
The Frog’s improved designed foot-pocket offers comfort and control. The top edge of the pocket is lined with fluffy, curved, elastic techno-plastic. The bottom on the other hand extended the back for about 4 inches to provide a great support for most of the foot.

The frog is indeed a heavy model. The heavier the fin is, the more power and durability it offers. The Cressi Frog can work well when wearing a thick cold water wet suit or dry suit. This design is suggested for rentals and schools for diving.