Trekking backpack; AntiGravity 3D: Suspended mesh backpanel and hipbelt; ExoForm/BioStretch harness: With load-lifter feature; Sternum strap: With emergency whistle; Top lid access: Enables quick, effective access to the content; Stretch front pocket: Ideal for storing things you'll need swift access to; Stow-on-the-Go trekking pole attachment: Stow your poles away without taking off your backpack; Twin ice-axe loops: Great for climbing and mountaineering; Integrated, detachable raincover: Keeps your possessions dry; Sleeping bag base compartment: With internal divider; Compatible with Hydraulics Reservoir: A useful feature for long trips; Weight: 1,870g; The ground-breaking technology used in the development of this backpack enhances the high-grade materials used in its construction, to create a reliable, robust backpack that uses its storage space in a clever and effective way. Recommended if you're planning a backpacking or trekking expedition.