A 13x4 Lace Front Wig is a type of wig that has a lace panel at the front of the wig cap. This lace panel is designed to mimic a natural hairline, giving the illusion that the hair is growing directly from the scalp. The "13x4" refers to the size of the lace panel, which typically extends 13 inches across the forehead and 4 inches back towards the crown of the head.   How to Wear a...