My mid-calf boot features a classic duck boot design with a waterproof upper, water-resistant vegan leather shaft, plaid lining, zipper closure, and a stretch V insert on the side of the boot to ensure a great fit. Durable, flexible outsole is ridged for added traction control. Heel measures 0.5, shaft measures 12 from the arch, 15.5 around at the top with a stretch panel to ensure a comfortable fit. All man-made materials. These are in standard US sizing. If you are a half size, please size up.There are two style choices this year. The Classic Back Zip boot is a tried and true classic. It has the traditional shaft with a zipper up the back. This style comes in