LEVI'S 501 Skinny in Blue. - size 24x30 (also in ) LEVI'S 501 Skinny in Blue. - size 24x30 (also in ) 100% cotton. Buttoned fly. Distressed areas throughout. 14 at the knee narrows to 12 at the leg opening. LEIV-WJ40. 29502 0008. Levi Strauss & Co., established in 1853, is a brand with a loyal, worldwide following. Their innovation with the co-invention of the blue jean was an integral part in creating their culture of self-expression and American cool that still resonates today. Each ready-to-wear design produced by the iconic label is made with special attention to craftsmanship, progress, and sustainability.