When you're hitting the trails for mountain biking or hiking but don't need much except water and a few essentials, reach for the Osprey Packs Kitsuma 7L Backpack. Its front zippered pocket holds your extra tools, a spare tube, and a rain jacket while behind it, the external hydration sleeve holds the 2. 5L reservoir to keep you hydrated on the trail. The backpack has an AirScape backpanel for ventilation and comfort while the light and airy harness with rolled edges deliver stability and comfort for your ride or hike.