Bogs Women's Classic Rosey Mid Winter Snow Boot 100% - 60% Rubber/40% Textile Imported Rubber sole Shaft measures approximately 8.5" from arch Boot opening measures approximately 12" around Durable hand lasted 7mm neo-techtm insulation with a four way stretch inner bootie Contoured eva footbed with durafresh bio-technology that activates to fight odors Lined with bogs max-wicktm to keep feet dry Non-marking and self-cleaning outsole 100 percentage waterproof and comfort rated to -40 f/-40c