Double Skin base Natural Hair Line Model Name Berkowits Mirage Fine Superior Hair Skin or Fine Superior Hair Patch is a mesh base with all-round qualities and knotting process of the hair into the base making it far more durable and being a mesh makes the Hair Skin Hair Toupee / Hair Wigs / Hair System / Hair Patch / Hairpieces / Hair Wigs for Man / Hair Toupee for Men The Invisible Thin Skin Hair System is made from the lightest and most ultra-thin lace and poly ever. Each hair is placed into the transparent thin skin hair base with a new state-of-the-art injection method...making it appear hair is growing directly from your scalp. There are no appearance of knots and the hair system looks, unbelievably natural! It- Ideal for swimming, sports, sleep, etc...