This is the 22L Ballistic backpack. The 22L is one of the most iconic perennial backpack from Visvim. The outer material on this season's bags is a solid color Ballistic Nylon. The bottom of the bag is made of a durable elk suede. The straps and back are slightly padded for added comfort. All Visvim bags use Riri zippers and premium hardware. There is a dedicated laptop sleeve for up to a 15" laptop.