I am thinking about the 30/30 both for tropical diving as well as cold water (50s). I understand that the 30/30 has a more snug fit. If I were to order a slightly larger size to accommodate layered undergarments for cold water, how would that affect the performance of the suit when I'm in warm water with just a thin layer? I know it would then fit looser, but I'm wondering how that would affect the suit (or would it just look different).
Thanks.
Thanks.