Bogs Womens Classic High No Handle Waterproof Insulated Rain and Winter Snow Boot 100% Rubber and Neo-Tech Imported Rubber sole Shaft measures approximately 14" from arch Heel measures approximately 1" Platform measures approximately 0.50" Boot opening measures approximately 15" around Dual-textured rain boot featuring rubber shell and nylon shaft Full-length contoured EVA sockliner EVA midsole Non-slip rubber outsole Insulated. Comfort rated from temperate to minus 40 degree fahrenheit or sub-zero conditions