Z7 Women&#39;s Solstice Ankle Boot,Brown,7 M US,Z7,Solstice" /> 100% Leather Rubber sole Shaft measures approximately 5 1/2" from arch Heel measures approximately 1" Platform measures approximately 1/2" Boot opening measures approximately 10 1/4" around Footwear engages all 26 foot bones and 7 major lower body muscle groups Z7 Cradle allows foot and body to move naturally as nature intended Outsole design improves balance- burns calories with health benefits PreciseFit adjustable foot bed allow for a perfect fit - Air-Eeze ventilation in each foot bed Leather upper seam sealed - waterproof - breathable construction