Whether it's a long distance day-hike or a short overnighter in the hills, this best selling hiking and mountain pack features our AirZone Centro adjustable back system and an AdaptiveFit hipbelt, ensuring the best possible individualised fit. Designed in a top loader style, this 4-season pack offers all the space you will need for multi-day trips, with the lid extending to add an extra 7 litres of capacity should you need it. Key features include lower entry with a zip out divider, unique tip gripper pole attachments and lash points to attach large items like roll-mats or sleeping bags.   Back System: the AirZone Centro system is an adjustable variation of the AirZone. The Centro Adjust allows you to adjust the harness to ensure the best individualised fit for maximum carrying comfort.   Features: AirZone Centro back system AdaptiveFit® harness Hipbelt pockets Harness pocket Lower entry Zip out internal divider Stretch mesh pocket Expandable volume N6.6 Mini Rip fabric Raincover Chest strap Hydration Compatible Key clip Tip grippers Lash points Ice axe loop Bellows side pockets Back System