Rubber sole Boot opening measures approximately 12.5" around PHYLLY WOMEN'S WINTER BOOT: These boots beautifully feature a ghillie non-functional lace-up back detail and an angled top collar bringing added style to this cozy and ultra comfy 10 inch classic suede winter boot. SUEDE UPPER & WOOL BLEND LINING: The wool blend lining combined with the durable suede upper of our boots not only add an extra flair to any outfit but it helps keep your feet warm during the autumn and winter days as these materials regulate body temperature. The sheepskin comfort footbed reduces foot fatigue and provides extra softness to your feet. STYLISH & COMFORTABLE: The Phylly Boots are fashionable and awesome to pair with anything during the cold season. It features a 12.5 inch circumference and its blown rubber outsole is lightweight and durable which makes it very comfortable and easy to wear. You'll love donning the Phylly pair as it gives an oomph to your wardrobe. NEVERWET TECHNOLOGY: Treated with NeverWet technology that is designed to withstand up to 40 wash cycles and still provide strong water resistance. This added feature for the elements is perfect for rainy or snowy days!