Boss Womens/Ladies Lettering Slides. Upper: PU (Polyurethane), Rubber, Synthetic. Insole: EVA. Outsole: Synthetic. Contoured Footbed, Open Back, Wide S. Flatform. Design: Lettering, Logo, Stripe. Toe Style: Open. Sole Features: ulded. Fastening: Slip-on. Ref: UTGT40523