Whether you're heading out for just a few hours or for the whole day, the CamelBak Rim Runner 22 pack delivers ample cargo and hydration capacity for an enjoyable hike. Air Channel back panel features individual foam pods that provide increased air flow to keep your back cool. Air Mesh harness with sliding sternum strap offers great comfort and stability removable 1 inch webbing waist belt provides added stability. 3 L Antidote reservoir has a quick snap cap for easy opening and closing, a low profile fit for more stability, and a lighter fill port to cut weight. Quick Link system allows the tube to be disconnected from the reservoir for easy filling. Extra large opening makes the reservoir easy to fill and clean hidden folding arms lock out for faster drying. 19 L of cargo space gives you plenty of room for a few extra layers, your lunch, and anything else you may need for a day on the trail. Side compression straps help reduce pack volume and provide load stability. Six front loops let you attach extra gear to the outside of the pack. Tool loops keep trekking poles secure when you need your hands free.