Guys doing crazy stunts and backfliping into their pants; Wikipedia: Jeans are trousers traditionally made from denim, but may also be made from a variety of fabrics. Originally intended for work, they became popular among teenagers starting in the 1950s. Historic brands include Levi's, Jordache, and Wrangler. Today jeans are a very popular form of casual dress around the world and come in many styles and colors, with the "blue jeans" particularly identified with the American culture, especially the American Old West.