KOZI Women Flat Boot SD3413W Fur Lined Winter Boot with Wide Calf Faux Leather Rubber sole Bring on the Cool Weather! Stay Stylishly Prepared with the Beautiful KOZI Boot. Rich Soft Faux Leather Upper with Wide Calf and a Round Toe, and Insulating Faux Fur Interior Lining and Padded Footbed Wrap Your Feet and Legs in All-Day Warm. Full-Length Inside Zipper and Hidden Goring at the Calf Provides a Truly Unique and Custom Fit. Non-Skid Light Weight Durable Rubber Sole. Size 37 Circumference measures Approx.16". Product measurements were taken using size 37, width B - Medium. Please Note that Measurements May Vary by Size.