SUSTAINABILITY: + bluesign(R) approved main body and bottom fabrics + GRS-certified 100% recycled main body and bottom fabrics + All DWR treatments made without PFAS STORAGE: Internal reservoir hydration sleeve compatible with 3L reservoir Extra-tall stretch mesh side pockets Organization pocket for sunglasses/electronics prevents scratches External access zip pocket with key clip keeps small, essential items handy DESIGN & DETAILS: Everyday hiking pack LightWire alloy frame suspension for load transferring 3-D tensioned mesh backpanel provides ideal breathability, ventilation, and support Perforated EVA foam and biostretch ventilated harness is constructed with an elastic binding that offers maximum flexibility without sacrificing stability for dynamic body movement AirSpeed(TM) Suspension keeps the weight off your back for highly ventilated carry comfort Hose port in backpanel and Osprey Hydraclip provide easy reservoir hanging capabilities Built-in rain cover for inclement weather Upper side compression straps and trek pole attachment Adjustable sternum strap with built-in whistle Removable 25mm webbing hip belt for extra stability