Bogs Baby Classic Polar Bear Winter Snow Boot 100% Manmade Textile Imported Rubber sole Shaft measures approximately 6" from arch Boot opening measures approximately 8.5" around Comfort rated to 14 degree Fahrenheit Made from 3mm neo-tech insulation for warmth Bogs max wick to keep feet dry Cozy plush lining with durafresh bio-technology that activates to fight odors 100 percentage waterproof and machine washable