Weight : 1.1kg; Large 2lb 10ozVolume : 30 LitresBack Length : 46cm | Large 51cm Whether you’re walking city streets or hiking hilltop trails, stay organised and carry your kit in comfort with the AirZone Z Duo 30, a versatile multi-use backpack. With a ventilated back and dual access, the Z Duo is ideal for days spent hiking, biking and exploring. The AirZone Z Duo 30 features twin compartments with a zipped divider. Zip access at the top as well as lower entry gives wide access to the contents, while a front stash pocket means it’s easy to grab items you want quickly. A zipped top pocket, key clip, and stretch water bottle side pockets help organise your gear. Featuring the Fixed AirZone carry system, the AirZone Z Duo 30 uses tensioned mesh and a large cut out space to reduce weight and allow air to move freely between the pack and the wearer’s back. Hydration compatible, and with TipGripper walking pole attachments and rain cover, the AirZone Z Duo 30 is ideal for day hikes and multi-use. The AirZone Fixed is our most advanced air-back carry system to date. AirZone technology features tensioned mesh and a large cut out space, reducing weight and allowing air to move freely between the pack and the wearer’s back. The AirZone Fixed has a decreased amount of contact mesh to maximise breathability and air flow. The shoulder harness is turned for increased comfort and the contact mesh is even softer for a comfortable carry. AirZone ventilated packs keep you cool and comfortable whether you’re moving fast in the hills, on a long hike, or just out on a hot summer's day, whatever size pack you're carrying. Features:  Rain cover  Secure TipGripper walking pole attachments  Weight: M 1.1kg / 2lb 7oz - L 1.19kg / 2lb 10oz  Stretch water bottle side pockets  Sternum strap with whistle  Fixed AirZone  30 litres  Dimensions: M 52 x 31 x 27cm, L 56 x 32 x 27cm  AirZone breathable back maximising airflow  Twin compartments with lower entry and zipped divider gives wide access to the contents  Upper and lower side compression straps  Key clip  Hydration compatible  Front stash pocket for quick access  Zipped top pocket  Light loop Please note: this rucksack is a Lowe Alpine standard fit and tends to fit the frame of a man better than that of a woman and distributes the weight differently to female-specific rucksacks. Narrow Dimension (ND) rucksacks are made specifically to suit the different frame of women and are available in a range of sizes.