Camouflage is a novel about shapeshifting alien beings by Joe Haldeman. The word is used more figuratively in works of literature such as Thaisa Frank's collection of stories of love and loss, A Brief History of Camouflage.
The Camo style is never out of fashion. Dress it up with some army print and you get a hot, edgy look. Be fashionable and fun wearing some camouflage print when in gym or out with friends.