What exactly determines the size of your weapons/ mount?

[Crimson_Hunter]

If your character is 1,70m tall and your friends one is 1,71 meters, then his mount will be quite a bit taller than yours. It doesnt have anything to do with your race.

Ah I see, that's good to know, btw, was that height (1.70m - 1.71m) an example or are those the exact measurements?
If so it would seem Highlanders are stuck on the "Large" bracket no matter what, as a Female Highlander can only go down to 68.2 inches (1.73 meters)

Im pretty short for an elezen, my mount is almost the same size as a very tall hyur (sp?)

Interesting, was it a Highlander or a Midlander?
Also, were both your mounts Large or Medium?

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On a side note I've been messing around with the character creator checking different heights and seems only mounts "snap" into the 3 specific sizes, weapons seem to scale directly with the height, as in, even being only one inch taller will make your weapon slightly bigger as well.