You have to keep in mind that neoprene is pretty delicate so storing your wetsuit the wrong way can do some damage. Why? Neoprene is very flexible and if you stretch it it will return to the original state. But if you stretch it for a very long time, like between two seasons when you use your wetsuit, this stretching can become permanent. Well, probably not completely permanent, wetsuit will still return to the un-stretched state but there can be consequences. So how to store your wetsuit properly?

Store it in a dark and dry place (to avoid UV rays that age the neoprene and to avoid the smell) and a flat surface or on a wide hanger with some space around it. How not to store it?

1. don't use a thin hanger or a wire hanger, it can leave indents in the wetsuit shoulders
2. don't hand it in a place with lots of sun light, sun and UV rays age the neoprene
3. don't mash it into a drawer, under a pile of other clothes etc..., this will put pressure on the neoprene and the wrinkles that appear when you fold the wetsuit.