Design and Details Top pocket web loop attachment points Removable floating lid with top- and under-lid zippered pockets Integrated flapjacket cover for lidless use Internal hydration sleeve with center back hose port Front stretch mesh pocket for stashing gear Dual-access stretch mesh side pockets Dual strippable side compression straps Web lash points for attaching overloads Removable sleeping pad straps Dual ice axe loops with bungee tie-off Dual zippered hipbelt pockets to keep essentials handy Stow-on-the-go trekking pole attachment Sternum strap with integrated safety whistle Injection-molded ladder adjustment system provides 4" of torso adjustability Two size per gender design ensures perfect fit and allows for quick, easy adjustment Stronger mesh and reduced seam design provides increased reliability for rigorous thru-hike usage 4mm Powder coated lightwire frame Seamless layered mesh provides improved comfort and cushioning 15mm Adjustable slide sternum strap Zippered hipbelt pockets provide secure and accessible storage for on-trail essentials Extended hipbelt shape increases carry comfort ErgoPull closure provides leverage to ensure snug fit and optimal load transfer Main: Bluesign approved recycled 100D high tenacity nylon ripstop, PFC/PFAS-free DWR Accent: Bluesign approved recycled 400D high tenacity nylon, PFC/PFAS-free DWR Bottom: Bluesign approved recycled 100D high tenacity nylon ripstop, PFC/PFAS-free DWR