I currently have a 3mm full elastiprine in a size large. (I'm 5'10, 205lb, 40waist, 42chest). I'm considering getting one of these to use for warmer water diving & also as another layer with my current suit in the winter when water temps in Fla are in the 60s. While my current suit fits well (stretches great for my extra pooch belly) & I'm sure the large in this shorty would do the same, I'm wondering if I should get an XL so it would definitely fit over my full suit or will it be too big for use on it's own?
ROBERT W I am 5'7", 155 lbs, 40" chest and 31" waist and the Medium fit me perfectly. I guess you could draw your conclusions from that.
BENJAMIN L I am 5'9" an 135 an have a small I feel like the shorties run on the larger size go for the smaller size it will stretch just fine
RANDOLPH T Im 5' 10 200lbs bought the xl fits pretty loose but im not wearing it over the top of another suit hope this helps you
MICHAEL T I am 5'11'' tall and weigh about 165 lbs. My chest size is 42, waist 34. I bought this suit in size medium large. It fits me just right. I would order the XL since it is going over your suit. You can always return it if it does not fit for another size.
ALLAN K I'm 5-10, 195, 36 waist, 42 chest - the large suite is a great fit and is great for warm water here in N-fla. I had the same idea as you but ended up also getting a pinnacle 3mm hooded vest to go under my 3mm wetsuite for the winter 60deg water and that works great. The cooler water (I'm short on hair!) deserves a hood and separate hoods are a pain compared to a hooded vest.