I have a waist size of 40" and I dont have a problem with most the rides. I have noticed its not so much waist as it is your leg thickness. Also on reptar, im an inch over the height limit, and i rode. I remembered not feeling comfortable b/c every support i felt like i was going to kick. Just watch out for this. And i dont recommend Scooby Doo Ghoster Coaster. I tried to get in, but I couldnt fit my leg onto the one side. I waited in line over an hour to find this out. It pissed me off
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