Mono Toppers

Topper:

A topper (also called a hair topper) is a type of hairpiece designed to cover thinning hair or add volume on the top of the head, not the entire head like a full wig.

Topper, Mono: 

A mono topper (short for monofilament topper) is a hair topper made with a monofilament base, meaning the hairs are individually hand-tied into a fine mesh that mimics the look of a real scalp; best choice for high-end, natural finish.