Description of Osprey Atmos 65 Backpack At an average weight of 3lbs the Osprey Atmos 65 backpack is ideal for those looking to cut weight and cost without sacrificing durability. An ErgoPull hipbelt helps draw the load evenly over the hips increasing comfort while hiking through the backcountry. With a traditional floating top pocket, welded stretch woven front pocket, zippered mesh hipbelt pockets, and water resistant zippers the Osprey Atmos 65 backpack provides a lightweight solution for your backcountry needs. At 3000 cubic inches and with an average weight of three pounds, you can carry your ultralight essentials with ease and comfort. Features: ErgoPull Hipbelt Removable Sleeping Pad Straps Side zipper access Stretch Woven Side Pockets Water Resistant Zippers Welded Stretch Woven Front Pocket Zippered Mesh Hipbelt Pockets Zippered Sleeping Bag Compartment