Great for school, the Osprey Helix daypack is made almost entirely from recycled materials, including PET, reground buckles and recycled mesh. Committed to sustainability, this Osprey Resource pack is are built with a minimum of 70 recycled materials. Use of recycled PET polyester helps reduce oil consumption and air emissions. Zippered panel-loading design gives you easy access to the main compartment. Padded compartment protects laptop and doubles as a hydration pocket with exit port for drinking tube/MP3 cord reservoir sold separately. Helical bungee cord on front of pack lets you quickly secure raingear, jacket and hat. Front zippered slash pocket is ideal for stashing a hat, books or other small essentials. Spacer Mesh back panel and harness are contoured and anatomically shaped to provide control and comfort also allows airflow and moisture management. Side mesh pockets holds a water bottle and everyday essentials for easy access. Stretch cell phone pocket on shoulder strap holds most cell phones. Adjustable webbing waistbelt is removable.