A wig cap is the base material of a wig and mimics the shape of the head — similar to the construction of a baseball hat. Wig caps are the foundation of wigs, and the hair and style are attached to the cap. You may have heard the terms lace front, capless, hand-tied, and monofilament, but what do they all mean? Here you’ll find an introduction to wig cap constructions and the pros and cons of each type, so you can choose the options that best suit your needs.