They use the Omer footpockets, and blades can be changed in and out at will (so if you break one you only have to replace the blade, not the whole fin). Not sure if they'd slot into other footpockets or not, maybe a bit of surreptitious testing?

Price is around €160 plus postage and stuff - so not cheap, but the build quality looks good and the rest of the guys fins have some pretty good reviews on the net. And the entire Finnish rugby team was wearing his open heeled version when they won in Bari, so they won't be crap...

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