Leather Imported Rubber sole Shaft measures approximately 5" from arch Heel measures approximately 1 inches" Boot opening measures approximately 10" around Leather upper Vionic With Orthaheel Adrie is a casual ankle boot offered in soft, full-grain leathers with buckled instep strap and heavy thread design details. Featuring a large gore panel on the outside and zip entry on the inside quarter, it\'s packed full of comfort features. Resting on top of a durable rubber outsole, this striking boot features Orthaheel Technology, a biomechanic orthotic footbed that naturally aligns your feet and may help to relieve heel pain by reducing over-pronation. Sure to enhance your daily stride with unbeatable comfort and style, the Vionic With Orthaheel Adrie is everything you need to take off with ease.