Just make sure you get it all the way into the crotch. If it's not there, you have to work from the ankle up the leg to do it.
Otherwise, you can't really tell a true fit until you hit the water in it. Then you can tell if it's going to fatigue your shoulders.. or pull in the crotch.
Good luck!
"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather, to skid in broadside thoroughly used-up, totally worn out, and loudly proclaiming: WOW WHAT A RIDE!!!!"