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phhappy:I am planning to get either the Biofin Pro or Biofin XT. I feel that the stiffer XT will be a better for Frog kick, am I right?
mdb:Phhappy: The bio-fin XT is significantly stiffer than the original bio-fin pro. It has good low end torque-push off, and works well with a wider style scissor kick or alternate kicks such as the frog kick. You do get a bit more resistance and you "feel" the fin wheras the bio-fin pro has very little resistance. I have been diving since 1972 and learned to dive with Scuba-Pro jet fins, I've owned Voit duck feet, turtle fins, Mares Planas, Quattro's and Avanti's etc. I prefer the XT model since I was so used to the wider slower scissor kick. Most divers will advise that you try both models, and other models, before spending your money.