Cougar Women's Canuck Snow Boot 100% Textile/Synthetic Imported Rubber sole Shaft measures approximately 15.5" from arch Heel measures approximately 1.5" Platform measures approximately 0.5 inches Boot opening measures approximately 14.75" around Guaranteed waterproof Anti-slip outsole Memory molded removable insoles Comfort/warmth rating of 10 DegreeC to -30 DegreeC / 14 DegreeF to -22 DegreeF Polar plush lining