dude you just asked this question read your other thread you already started, and its both rental equiptment is heavy but it also will seem alot more heavy since you ski board, its common sense not to mention 5 other people already answered oyu
Yeah another thing is demo bindings weight a lot more then regular bindings. They have a metal slide so it adjust to lots of different boots. Also your boots probally weighed 3x more then they should.