kitealterchris said..
Most likely not,I think they depreciate with time due to sun damage and salt, and they rot like rubber if they sit in the closet all the time.
The bladders will definitely degrade. But Naish TV just did an episode with the guys taking out all the old gear to see how it compares to today's equipment and they seemed to work fine. I'd be hanging them up in a garage, sail loft style if I was interested in collecting these old things.