Bogs Women's Sidney Cravat Snow Boot 100% Rubber/Textile Imported Rubber sole Shaft measures approximately 8.5" from arch Heel measures approximately 0.75" Platform measures approximately 0.5 inches Boot opening measures approximately 7.75" around Contstructed with 5mm Neo-TechTM insulation, Comfort rated to 5 F/-15 C, 100% Waterproof Bogs Max-WickTM moves sweat away from your foot to keep you dry Molded EVA insole with DuraFresh and Bogs Max-Wick Rebound technology in outsole provides lasting comfort Rubber outsole with 1/2" stacked heel