A shower cap (also known as a bath cap) is a hat worn while showering or bathing to protect hair from becoming wet. Alternatively, shower caps for children can be crowns with wide brims that prevent water and shampoo from getting in the eyes while allowing the hair to be washed.

Many designs are produced by joining two layers of fabric together in order to make the shower cap not only waterproof but decorative. However, simpler designs are made from one