Sounds like a diamond hull vs a wake hull. It's not a region difference both were sold in the states at well. The diamond hull has the larger outer chine. It's designed that way to improve the ski wake at higher speeds.
There is a lot of debate as to whether or not the diamond hull is worse for wakeboarding. The consensus seems to be that a diamond hull wakeboard wake is slightly smaller and thus takes slightly more ballast to get the same wake as the wake hull.
Last edited by boardjnky4; 01-11-2015 at 5:50 AM.
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