From The North Face, the Borealis Convertible Backpack features: Innovative and nimble, the Borealis Convertible Pack allows you to switch between a daypack and a lumbar pack in a few simple steps. With the Borealis signature bungee cord system for flexible storage, a mesh water bottle pocket and a stowable hip belt, you've got plenty of on-the-go functionality. Lightweight ripstop material/Articulated shoulder straps External bungee-compression system offers options for organization/ Daisy-chain webbing offers lash points Secure-zip main compartment Two external, secure-zip stash pockets Stretch-mesh water bottle pocket on front U-pull YKK zippers are easy to grab Zip access to bottom of pack Comfortable, padded top grab handle Average weight approx.: 1 lb 2.3 oz (520 g) Volume approx. 1068" (17.5 liters) Fabric body 210D recycled nylon ripstop with non-PFC durable water-repellent (non-PFC DWR) finish Imported.