The Cloudwalker 18 hike pack is redesigned with equal parts technical and functional to create the perfect day or play solution. Roam the Earth with comfort, thanks to the Air Support Back Panel, constructed with lightweight materials for max ventilation. You'll stay hydrated and light on your feet with the massive 2.5L Crux Reservoir. Keep supplies at the ready with side cargo pockets, perfect for hydration and small tech. The removable waist belt allows you to enjoy flexibility and adjustability along the trail. An extra exterior zip pocket secures smaller items like snacks for the long haul and a trekking pole attachment allows you to navigate difficult terrain. Repurpose Gold Sustainability Badge: Made with recycled materials, made with safer chemicals, and designed to preserve resources and diminish disposables 2.5L Crux reservoir with Quicklink system Air Support Back Panel: Designed with Body Mapping Technology to allow for maximum ventilation on the hottest areas of your back Side cargo pockets and compression straps Exterior zip pocket 2 side stretch pockets Removable Waist Strap: Added stability when you need it Secure Phone Pocket: Conveniently located with a zipper closure for secured quick access Trekking Pole Carry: Easily remove or replace poles while running Primary Material: RN200D with C0 DWR Weight: 0.5 kg Size in Litres: 2.5 (Hydration) / 15.5 (Gear) Fits Torso: 38 - 48 cm Fits Waist: 60 - 115 cm