Deuter Speed Lite 20 Backpack 1200cu in

You want an ultralight, speed friendly pack that will hold your essentials, so it sounds like you want the Deuter Speed Lite 20 Backpack. The wraparound compression straps minimize your pack's profile, reduce excess movement, and keep your gear from getting jumbled, while the Delrin frame support rod can be removed if you want even less weight and a closer fit.