LEVI'S Loose Boot in Blue. - size 30 (also in 24, 25, 26, 27, 29) LEVI'S Loose Boot in Blue. - size 30 (also in 24, 25, 26, 27, 29) 100% cotton. Made in Vietnam. Machine wash. Zip fly with button closure. Lightweight denim fabric. 5-pocket styling. Intentional distressing. 20 at the leg opening. LEIV-WJ579. 005DO-0009. 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.