The North Face Women's Ice Queen Boot 100% Textile Rubber sole Shaft measures approximately 8 1/2" from arch Heel measures approximately 3/4" Platform measures approximately 1/2" Boot opening measures approximately 10" around Cold-weather boot featuring bungee cords at opening and soft ripstop shaft 100g PrimaLoft Eco insulation Combination faux fur and 35% recycled P.E.T. polyester lining