The North Face Women's Abby Chukka Lifestyle Insulated Boot 100% Leather Rubber sole Shaft measures approximately 8 1/2" from arch Heel measures approximately 1" Platform measures approximately 1/2" Boot opening measures approximately 11" around 200g PrimaLoft Eco insulation Northotic compression-molded, dual density, internal midsole 3/4 length nylon shank footbed