The Field Backpack L is a large pack intended for backpacking. The backpack is made of carbonate-coated 100% nylon. The Field Backpack L's main compartment can be accessed from the zipper top and the front buckle. The pack also features a top cover, two zippered pockets, three zippered front pockets, mesh side pockets, shoe storage at the bottom of the backpack, a small internal pocket, and laptop pocket.