From Marc Nolan, the Women's Ms. Atlas Patent Leather Strap Booties feature: Patent leather upper with suede collar Lace up entry with buckle closure Leather lining Memory foam insole Rubber lug outsole Approx. 4" boot shaft height Approx. 9.5" boot shaft circumference Approx. 1" heel height Approx. 1" platform height Imported. Sizing Notes: Size 5 to 9 runs large. If you wear a half size, size down. Size 10 to 12 runs 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.