A waterproof cast is a fiberglass cast put over a waterproof cast liner. The cast is not actually waterproof; it is water-resistant. The cast can get wet and the water will drain from the cast, ...

Waterproofing is most useful for shoes made from animal hide, especially nubuck and suede, which show damage quickly — it’s “like having a shoe that’s a sponge,” says Edward Andrade of ...