S?bastien N I would like to wear this vest above a 7mm pinnacle jumpsuit that I already own to dive in colder water (Quebec and Ontario). My jumpsuit is med/tall , so should I order the vest large to make sure it fits?
STEPHEN S Definitely! Maybe try an extra-large. Unless you are very thin in the chest, I would probably wear the vest underneath my full suit, if it is roomy enough. But I's still try large since most suits and accessories run on the small size.
Steve S Most likely yes. The best way to figure that out is to get your measurements while wearing your 7mm jumpsuit and then compare it to the size chart.