Soft genuine leather. Foam padded upper with extra foam padding in the tongue and collar.Breathable, protective lining. Constructed on an anatomical last, with extra width across the midfoot and toe-box. 5/8" heel height (the difference between heel and forefoot). Extra depth: 3/8". Two removable spacers (2mm and 3mm thick) are included. Cushioning sole, made of lightweight EVA midsole and rubber outsole. Recessed heel construction. Hidden depth construction.