These boots will be a great staple in your fall winter wardrobe! Shaft measures 15 3/4", 15" opening, 8 1/2" zipper, and 1" heel. Leather upper and leather lining. Fits true to size. Size 8 insole measures at 9 5/8 inches or 24.5cm. Each half size is 1/4 inch or 1/2cm difference. Note: This product is a quality handmade item, the stitching, straps and buckles are asymmetric in design due to it's construction.