From Marc Nolan, the Men's Atlas Patent Leather Buckle Hardware Derby Loafers feature: Calfskin patent leather upper Adjustable straps Calfskin leather lining for added breathability Memory foam padded insole Shock-absorbing lug rubber outsole Imported. Styling Notes: Size 6 to 13 run large, go a full size down. Size 14 to 16 run true to size. If you wear a half size, size down. All Marc Nolan shoes are standard D width. Select your true size if you prefer a wider width or up if you a half size.