High Sierra Cirque 30 Backpack High Sierra offers a great all-around pack in the Cirque 30-liter. You'll be amazed at how much gear you can pack into this 1,830-cubic-inch capacity, panel-loaded unit. High Sierra built the Cirque from tough Grid-weave Duralite, mini-weave Duralite and Duraweave bottom fabric. There's a large zip front pocket with inner mesh divider and storm flaps that cover the zippers. As for comfort, padded straps with adjustable load lifters and Vapel mesh airflow moisture-wicking padding keeps you hustling all day in the zone. An adjustable sternum strap ensures added stability. Side compression straps support gear, and there's an internal hydration reservoir (not included) with tube port. Other features include a removable media pocket, lashing straps, and dual-side pockets for water bottles. Its 18-inch harness fits waists 26 inches and up. Its space measures 12-3/4inches by 9 inches by 21-1/2 inches high and it weighs 2.3 pounds.