If you don't live in a climate where you need a pair of expensive waterproof boots or you just don't want to buy any, Instructables user csymmank has a guide to making slipcovers for any shoe that ...

The water-resistance of the covers should keep your shoes dry in all but the heaviest downpours. The sleek aerodynamic shoe covers are designed to be slipped on easily before your shoes. The Velcro ...