All our Yukon bags leather backpacks are crafted of authentic full-grain crazy horse leather. These tough bags can take a beating and the beautiful vintage look only gets better with time. The natural irregularities that are exclusively found in authentic full-grain leather provide uniquely different patterns and color-tones that vary from bag to bag – your bag will be as individual as you are! Rugged YKK zippers, meticulous stitching, and plenty of pockets will keep your belongings safe and secure. Journey into the unknown with a backpack you know you can trust.