Ros Hommerson Women's Callie Pump 100% Leather Synthetic sole Shaft measures approximately 15.75" from arch Heel measures approximately 1 1/4" Boot opening measures approximately 16" around Ros Tech Construction Premium quality nappa or kid skin leather upper materials Latex foam arch pad for extra cushion and support Dual zone comfort linings resist mildew and keep your feet dry and comfortable. Texon insole with Ros preferred construction for flexibility and comfort.