What about a 3 x 1 convertible bag?
Below a handbag with long shoulder straps that can be a backpack.
- water resistant fabric
- adjustable straps
- outer zippered pocket, really usefull to have your mobile phone close by 😉
- inside zippered pocket
- 2 sideway outer pockets
Now you just have to combine the fabrics 😉 Below there are the available sailcloth colours and the direct link to the lining fabrics aswell. How are you going to combine them?