The Drifter backpack from Revelry is perfect for longer adventures, with its added storage and waterproof features. It also includes a Carbon Filter System, waterproof zipper, chest strap, and double clip closure for added convenience. The contoured shoulder straps and metal hardware make it a comfortable and durable option. Plus, it has a secret inner stash pocket, laptop divider, and genuine leather accents. With a volume of 23 L and dimensions of 20" x 13" x 6", it's the ultimate travel companion.  Smoke.