The Levi's 511 Performance Slim Fit Blue Jeans are designed for big boys in size 18 with a waist size of 29 inches and an inseam of 29 inches. Made from a blend of polyester, cotton, elastane, and denim fabric, these jeans feature a slim fit and a straight style. They come with a zip and button closure, suitable for occasions like travel, parties, weddings, and casual wear. The garment care instructions allow for machine washing, making them easy to maintain for various seasons like winter, summer, fall, and spring.