Wherever you plan to hike, Osprey's Kestrel 48 has you prepared. This innovative setup comes with a separate sleeping bag compartment and sleeping pad straps, while the StraightJacket(TM) side compression straps hold everything together. As you climb or explore, the pack shifts the load from the spacer mesh harness to the hip belt for improved comfort, and a mesh back panel improves ventilation and breathability. Furthermore, it's equipped with a bevy of pockets and compartments, including a hydration sleeve and loops, for holding your essentials and more.. . Made out of 210D nylon Double Diamond Ripstop material and 420HD nylon Packcloth. Custom torso fit with the adjustable harness. Integrated rain cover protects your gear and can be stored away once the sun comes out. Wide-mouth sleeping back compartment with divider. Extra-secure sleeping pad straps. Main compartment opens with side zipper. Vertical zippered side pocket improves access and organization. LightWire(TM) suspension moves load from the harness to the hip belt. Atilon framesheet distributes load across the back panel to the peripheral frame. Airscape(TM) back panel features mesh-covered ridged foam for full ventilation as the load stays close to the body. Harness and hip belt feature soft, edgeless padded mesh. Adjustable sternum strap with rescue whistle. Imported.