From Marc Nolan, the Women's Ms. Luca Cow Print Hair Calf Lug Derby Oxfords feature: Hair-calf upper (China) Lace up entry Leather lining Memory foam insole Rubber lug outsole Approx. 1.5" heel height Approx. 1.5" 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.