Acorn Women'S Snowlineslipper 100% Fabric Synthetic sole Shaft measures approximately 9" from arch Heel measures approximately 0.25" Platform measures approximately 0.25 inches Boot opening measures approximately 14" around Soft wool-blend boucle uppers Soft sherpa fleece lined Lofty Acorn memory foam midsole Durable suede sidewall Non-slip weatherproof outsole