Machine washable 57% cotton, 43% polyester Traditional sizing with slim fit, straight leg desing Not all cell phones may fit in slim pockets Please note: This style was formerly known as '549' and customers may receive product labeled as '549 Relaxed or '505 Regular' when ordering this style Formerly known as the 511 Skinny fit. Customers may receive product labeled as '511 Skinny' or '511 Slim' when ordering this style. For boys who like to play hard and look their best doing it, the Levi’s Boys 511 Slim-Fit Jean offers a hip, contemporary style in a durable cotton/polyester blend. This jean features traditional sizing in the waist with a slim, straight-leg design. The Levi’s Boys 511 Slim-Fit Jean is conveniently machine washable to keep him looking his best day after day.