ECCO Men's Turn Gore-Tex Chukka Chelsea Boot 100% Leather Imported Synthetic sole Shaft measures approximately 5" from arch Heel measures approximately 1.25" Platform measures approximately 0.5 inches Boot opening measures approximately 13" around Leather upper Gore-tex waterproof construction to ensure dry, comfortable feet in wet weather Removable leather-covered ECCO comfort fiber system insole Direct injected, pu outsole Waterproof