Beautiful pair of Castell Avarcas tan leather slingback sandals in EUR size 40 and approximately women's US 10 according to conversion charts. With tape flat, approximately 10 3/8 inches from back of insole to front of insole and 4 inches across widest part of sole. Sandals are in excellent close to new pre-owned condition. Please examine photos closely and ask any questions. Thank you for your consideration.