Rubber sole Shaft measures approximately Calf High from arch Boot opening measures approximately 6.2" around ? WOMEN'S DUCK BOOTS with RUBBER SOLE: The ultimate versatile boot for snow and rainy weather has a classic duck toe, lace up closure with metal eyelets, fleece insulation, and rubber sole to keep you warm and dry during every outdoor adventure. ❄️ BUILT FOR WINTER: Cozy polar fleece lining throughout and a padded collar help seal out the cold up top, while a polar fleece insole shields the bottoms of your feet from the frigid ground. ? WATERPROOF, WEATHERPROOF, DURABLE: Take on rain, snow, and cold weather commutes! An 6" engineered performance leather upper is triple stitched to an all-rubber lower that blocks out all precipitation and moisture, so thunderstorms and snow storms are no concern. ⛰️ FROM OUTDOORS TO LIFESTYLE: The duck shoe originated over 100 years ago to help hunters keep their feet dry on rainy days in the backcountry. Now a popular women's footwear style, duck boots will carry you from the trailhead to the lake, and onward to brunch.