<!--ProdInc[300264372]/Mall:[backcountry_US]-->Osprey designed the new Aether Backpacks with a brand-new fitting system?Osprey''s best?and the Aether 55 Backpack is perfectly sized for weekenders and overnighters. The back torso adjusts vertically to customize the fit for all sizes, and On-the-Fly shoulder strap and waist belt adjustments ensure quick-and-easy micro-adjustments that you can cinch on the trail. Osprey not only integrated a rain cover, but also treated the main fabric in DWR in case you don''t get the cover on in time. A LightWire frame offers surprisingly stiff rigidity when you''re carrying heavy loads, and Airscape mesh provides breathable ventilation on your back. <h3>Details</h3> Solid-fitting backpack built for weekenders and overnighters 55L is the smallest, standard Aether Backpack from Osprey On-the-Fly shoulder and hip adjustments ensure a custom fit LightWire frame with breathable Airscape back provides stability DWR coating and included rain cover offer weather protection Compression straps ensure a secure load Zippered front panel gives you another way to access the main compartment Pocketing and straps offer storage for sleeping bags, pads, ice axes, trekking poles, water bottles, and more Item #OSPZ18S <h3>Tech Specs</h3> Responsible Collection : Bluesign Approved Material : 420HD nylon, DWR coating Volume : 55L (3356cu in) Support/Suspension : [frame] LightWire, [back panel] AirScape Shoulder Straps : Fit-on-the-Fly Waist Belt : Fit-on-the-Fly Hydration Compatible : 3L compatible Reservoir Included : no Access : top, front Pockets : 3 stretch mesh front, 2 zippered waist-belt, 2 stretch mesh side Ice Axe Carry : yes Trekking Po <img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=backcountry&ProdInc=300264372&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px''>