CALIB IS A MUST-HAVE FOR ALL OF YOUR WINTER OUTINGS. THE INSIDE ZIPPER MAKES IT EASY TO GET ON AND OFF AND THE AQUASTOP MEMBRANE AND THERMAL BARRIER IN THE SOLE KEEP YOUR FEET WARM AND DRY. THE WOOL LINING IS COMFORT RATED TO MINUS 25 CELCIUS/ MINUS 13 FAHRENHEIT. 5 INCH SHAFT HEIGHT AND 10 INCH SHAFT CIRCUMFERENCE. -CASTER BIC LINE -LEATHER UPPER -WOOL LINED -1.5 INCH HEEL WITH 1 INCH FOREPART -CUSHION INSOLE -ZIP UP BOOT -MADE IN PORTUGAL