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. Converts from a daypack to a lumbar pack 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 Easy-to-use YKKA(R) zippers Zip access to bottom of pack Comfortable, padded top grab handle Stowable hipbelt Coated, abrasion-resistant recycled polyester boot fabric Reflective details Avg Weight 1 lb 2.3 oz (520 g) Dimensions 17.7&';&'; x 11.4&';&'; x 4.9&';&'; (45 cm x 29 cm x 12.5 cm)