Levi's Boys' Slim Fit Jeans 99% Cotton/1% Spandex Machine wash Skinny fit. Traditional sizing with slim-fit Trouser style front pockets. Welt back pockets. Machine washable Formerly known as the 511 Skinny fit. Customers may receive product labeled as '511 Skinny' or '511 Slim' when ordering this style. Inseam measurements - Size 4: 18, Size 5: 19.5, Size 6: 21, Size 7: 22.50, Size 7X: 23, Size 8: 23.5, Size 10: 26.5, Size 12: 28, Size 14: 28.5, Size 16: 29.5, Size 18: 30.5 and Size 20: 31.5