Polyester melange fabric No. 10 main zipper No. 8 other zippers Large main compartment Secondary zip compartment Front zip pocket Side mesh bottle/accessory pockets Loop zip pulls on all zippers 2 front reflective locations Side compression straps with quick release buckle Adjustable sternum strap Webbing/axe loops for attaching extra gear Top hang/grap loopPolyester melange fabricNO. 10 main zipperNo. 8 all other zippersLarge main compartmentSecondary Zip compartmentFront zip pockets2 side bottle/accessory pocketsloop zip pullsFully adjustable sternum strapWebbing loops for extra gearQuick release side compression strapsTop hang/grab loopVolume: 45 LITRESMeasures: 21\