The back of the liner is TAN/NUDE to camouflage under wigs, looking like your scalp. ONE SIZE FITS ALL. Invented by JODI, a BALD Clinical Therapist, out of PURE NECESSITY. As a busy Mom, Athlete, and Active woman, Jodi invented HEADLINE IT! to work under her wigs, scarves and hats, to provide comfort and stop the annoying perspiration from ruining her headwear items. Jodi has been featured: as a top finalist on ABC’S AMERICAN INVENTOR TV SHOW premier season; on LIFETIME TV’S HEALTH CORNER; Winner of Best Health and Wellness Product of 2007-2008; Winner of Most Unique Product 2007-2008; on FORBES, M MAGAZINE, DRESSAGE TODAY MAGAZINE, OTC,newspapers, magazines, TV, other media.