Mountain Hardwear Unisex Piero 25L Travel Backpack Polyester Hard-wearing construction and materials ensure durability and long life Fully padded, fleece-lined laptop sleeve, armored with double-reinforced bottom and sewn off the bottom Large zip-top opening for easy access into main compartment Well-designed organizer keeps items handy and includes fleece-lined pockets, key clip and daisy chain for pens, pencils, flash drives Zipped mesh pocket inside keeps items organized and visible