Another way to figure this out would be to go to the track and talk with someone who is about your size. Find out what suit and what size he's wearing and what he likes/dislikes about it. Also where he bought it. You are going to want to wear a nylon undersuit so the race suit will slip on/off easily. Also, decide whether you want a 2 piece or 1 piece. I would check websites where the racing clubs post. WERA is a good one. Good luck.