NWOT jeans from Levi's. 517's, 30/34. Zero flaws, check pics for details. Levi's 517 jeans are a classic, straight fit jean with a bootcut leg and slim fit through the thigh. They are made from cotton denim and are designed to provide protection while riding, working, or negotiating a deal. The 517s were introduced in 1969 and were originally called "Saddleman" jeans, designed to fit over Western boots