Fabrics:
* Body: 600D recycled polyester
* boot: 1200D recycled polyester
* 600D recycled polyester
* 1200D recycled polyester

Specs:
* Avg Weight: 1 lb 6.8 oz / 645 g
* Volume: 1647.6 cu in / 27 liters
* Dimensions: 12.25 x 7 x 17.75 in / 31 x 18 x 45 cm
* Dimensions: 17.72 x 12.2 x 7.09 in / 45 x 31 x 18 cm

Features:
* The FlexVent suspension system, certified by the American Chiropractic Association, has articulated shoulder straps, a rounded back panel, comfortable stitch lines and soft-touch chemise fabric
* Large, zippered main compartment with a 16 in laptop sleeve
* External, secure-zip pocket on front of pack provides easy access to smaller items
* Two stretch-mesh water bottle pockets
* Adjustable sternum strap with a breakaway whistle buckle
* Reflective details
* Large, secure-zip front pocket provides easy access to smaller items
* Adjustable sternum strap with a break-away whistle buckle