The Lowe Alpine AirZone Active 18 is a lightweight, well-ventilated unisex backpack with advanced comfort on strenuous hikes. It features an AirZone LT suspended mesh carry system with anti-barrel plates and fast-wicking hip fins, for maximum air circulation, even under heavy load. Built with a lightweight spring steel frame for efficient load transfer, the Lowe Alpine Airzone Active 18 also offers a quick-stash front pocket, double TipGripper walking pole attachments, top tensioners, a sternum strap with whistle, and a rain cover inside the base. In addition to stretch mesh side pockets, user-friendly everyday necessities include a key clip, a light loop, a zipped security pocket, and a refined new commute-ready aesthetic.  Lowe Alpine Airzone Active 18 Backpack Features: 210D 6.6 Mini Ripstop / HydroShield Fabric AirZone LT™ Lightweight, Breathable Suspended Mesh Carry System Front Stash Pocket for Quick Access Hydration Compatible-Fits 3L Bladder Key Clip Light Loop Rain Cover Secure Tipgripper Walking Pole Attachments Sternum Strap with Whistle Stretch Water Bottle Side Pockets Side Compression Straps Zipped Top Pocket Internal Zipped Security Pocket Zipped Main Opening Weight Approx 0.77kg