This is an Osprey Kestrel 48. I've used it for about six months, but there are no noticeable stains or frays, which is what you'd expect from Osprey. I'm selling it because I'm no longer going hiking. Thank you. Features: * bluesign® certified recycled fabric * Two-compartment design (can be switched between 1 and 2 compartments) * Adjustable AirScape back panel * Mesh pocket inside the fixed top pocket * 2 ice axe attachments * Stow-on-the-Go trekking pole attachment * Side access zipper * Vertical side zipper pocket * Side stretch pockets * Sternum strap with whistle * Compression straps on both sides * Sleeping mat attachment straps (removable) * Hip belt zipper pockets x 2 * Includes rain cover * Hydration pocket: Compatible with 3L reservoirs Back Length: WM/L = 41-51cm Capacity: WM/L = 48L Weight: WM/L = 1.92kg Dimensions: WM/L = 71cm (H) x 36cm (W) x 29cm (D) Fabric: Main: bluesign® certified 420D recycled nylon, PFAS-free DWR Bottom: bluesign® certified 500D recycled high-tenacity nylon, PFAS-free DWR