From Marc Nolan, the Women's Sophia Leather Strap Architectural Heel Mules feature: Leather upper Strap detail Leather lining Padded insole Shock absorbing rubber pump outsole Approx. 2" heel height Imported. Sizing Notes: Size 5 to 9 run large. If you wear a half size, size down. Size 10 to 12 run true to small. If you wear a half size, size up. All Marc Nolan women's shoes are standard B width. Select your true size if you prefer a wider width or up if you wear a half size.