Especially known in the mountain biking community, CamelBak has been developing hydration systems for years. The bag in this Lobo pack has a large mouth for easy filling, and it can be filled without having to take it out of the pack. - 9 liters of cargo space even when the hydration bag is filled to the brim - Included: a 2 liter Crux hydration bag with Quicklink connectors - Air Director back panel - Detachable belt and adjustable chest strap - Dedicated places for tools and pump - Helmet holder - Dedicated phone pocket - A magnet in the drinking head and the shoulder strap has a place for the magnet to grab on to, keeping the drinking head stays out of the way but is easily accessible - Pack weight 510 g - Bladder weight 210 g - Back panel height: 43-53cm - Hip belt length: 66-116cm - External measurements: 45x18x16cm