Shop Women's at RalphLauren.com, the Official Site of Ralph Lauren. Nubuck Imogen Oxford - Crafted from soft nubuck leather, this menswear-inspired oxford is designed with bright contrasting laces, brogue-style perforations and serrated-edge trim. Rounded-toe silhouette. Lace-up styling with contrasting laces. Serrated-edge trim with intricate perforations at the toe, the vamp and the heel. Contrast lining. Padded insole. Rubber outsole. Nubuck leather. Imported.