I know that this question has probably been asked a thousand times, but here goes anyways... :)
I'm training for a half iron in October. Even though i will do as many sprints as i can before then (my first sprint will be my first tri), i live and train in Colorado, so my open water swim time will certainly require a wetsuit, so i just bought a Xterra vortex 3 fullsuit. The Atlantic Coast 70.3 states the water temp is "expected" to be 76 deg. so... wetsuit legal, probably. I'm not the best swimmer, so based on that fact, i would use a wetsuit for the buoyancy alone (everything i read suggests use one if you can). My first ocean swim. My question is, even though i feel confident i could do the swim without the wetsuit buoyancy, should i wear it? Should i get a sleeveless as well for that temp? The vortex states 5mm in the chest and legs. Too warm? I know it's kind of personal preference, but i dont want to get half way out and be burning up inside it.