From Marc Nolan, the Men's Calum Embossed Bull Croco Leather Penny Loafers feature:  Embossed bull & croc leather upper Slip-on construction Full calf leather lining Memory Foam insole Rubber outsoles with rubber traction grips All pairs include a suede dust bag Imported.  Sizing Notes: Size 6 to 11 run large, go a full size down. If you wear a half size, size down. Size 12 to 16 run true to size. If you wear a half size, size down. All Marc Nolan shoes are standard D width.