SUSTAINABILITY: Thoughtfully designed with bluesign(R) approved materials and PFAS-free Durable Water Repellant coating STORAGE: 2 stretchable side pockets Reinforced shove-it pocket /LI> 2 loops offer ice tool bungee tie-off attachment Dual zippered hipbelt pockets/LI> Side panel zip access Interior hydration reservoir sleeve with center back exit port Curved zip on side of pack for quick access to gear DESIGN & DETAILS: Lighter than the original Osprey Atmos Pack Extremely comfortable mesh back structure follows body shape along back and hips, ventilating to provide air movement between body and backpack, allowing freedom of movement to eliminate restriction against wearer Removable top lid section unbuckles and can be taken off, offering a less weighty option as well as access to separate containment, featuring a built-in overtop FlapJacket cover to replace Trekking pole attachment keeps bag interior available for other belongings Compression straps along sides keep stuffed bag contained to zippable region, and feature a quick-release buckle to lock in compressed backpack size Sternum strap and rescue whistle attached CARRY TECHNOLOGY: Anti-gravity suspension with a 4mm powder coated full peripheral frame Anti-gravity backpanel(R) adds strength and load transfer so you can feel comfortable carrying a heavy pack for long distances Adjustable Fit-on-the-Fly(R) hipbelt offers a precise fit for varied sizes and is integrated into the pack's frame to ensure consistent load transfer Anti-gravity harness has a die-cut foam lower and mesh ExoForm wrap upper