Naturalizer Women's Dinka, Oxford Brown, 7.5 M US Leather Synthetic sole Shaft measures approximately 16.5" from arch Heel measures approximately 2.25" Boot opening measures approximately 14.75" around Leather upper Man-made outsole Leather 49488L2003 BLKLTHR, 49488L1251 PAVMNT, 49488201 OXFRDBRN