Osprey raptor 10 hydration pack the raptor 10 offers a lower compression strap to stabilize the load making this the ideal pack for mountain biking rides lasting 15 to 3 hours or a great day hiking pack with hydration features lower zip compartment for quick access to tool pouch removable roll up tool pouch lower compression strap to stabilize load direct access zip ergopull hipbelt front stretch mesh pocket hydration lidlock panel load raptor 6 tool pouch slash pocket zippered hipbelt pock