Osprey raptor 14pump up your tyres and head for the single track with the raptor 14 the trail may be rough but your pack will carry close thanks to ospreys biostretch harness and hip belt that comfortably connect the pack to your body the 30 litre hydraulics reservoir reduces liquid movement for increased pack stability at high speed the hydration sleeve is zippered for convenient refills and the hose routes over the right shoulder strap to the sternum strap where it anchors with a magnet