OPEN 5.5 You're a fan of all kinds of water activities, and when you go away, it's a real headache having to choose between your fishing rods, your wakeboard and the children's bags full of beach toys... We know all about that. This is why the Open has been THE market leader for twenty years: The Open 5.5 can be used for a variety of daytime activities and has a huge storage locker to stow toys for young and old.