Alpinestars Rover Multi Backpack - Black301246737 Product Description 32. 4 liter capacity adventure touring backpack with ergonomic design for rider comfort Clever compression design means that if the front compartment is empty, it will flatten with the compression straps to lay flat against the main compartment Large and tall roll top main compartment for quick and easy access, with a removable waterproof liner Equipped with multiple external pockets for quick access to contents