Upper: high quality ostrich leather. If you can’t find your size/color just send us message we will make for you. (required measurement for better fit) we can custom make these boots in all sizes; the standard measurements are given in size chart image. Please feel free to ask size related queries. You can also provide us with your exact measurements to get the best fit boots for yourself. Our size is according to foot length. Please choose size according to foot length. Let’s choose the correct size according to the four steps below. Step 1: prepare a blank paper. Step 2: place your foot on the blank paper. Step 3: mark the end of your heel and the tip of your longest toe. Step 4:measure the length with a ruler and find out the size using size chart in attached picture. We take pride in designing and supplying also the premium quality leather boot to our customers. We also specialist in making custom design shoes and boot. There may be a slight variation in color due to photography light effects and computer color resolution but colors will be used matching the originals. This item is made of leather.