The AC Lite 18 is the newest version of our lightweight daypacks that combines practicality with an uber-comfortable Aircomfort backsystem. The AC Lite 18 features a detachable rain cover, roomy pockets, tensioned back mesh and a break-proof spring steel to ensure your pack feels light as a feather and remains as durable as, well, steel. This is the pack for carrying all your day hike necessities at minimum pack weight.