Size From the crown: Approximately 11cm This is a men's five-part wig (partial wig) that utilizes your own hair to fully cover the entire top of the head. *This is not a full wig. The popular front hair wig is now available for men as well as women! Simply clip it on to securely cover the entire top of the head. We have focused on the cut and design, and have thoroughly pursued comfort. It's highly breathable and doesn't get stuffy, so you can use it all year round, and it's also very stretchy! This is a reliable item that "easily solves" "big worries."