Smart organization in a 2.5L bag that carries on the waist or over the shoulder. Simple, intelligently designed, and made from 100% recycled polyester pack fabric, the larger Arc'teryx Mantis waist pack is perfect for quick hikes or as a secondary pack for your big adventures. The zippered front pocket has a clip for keys, and the internal pockets include an easy-access stash pocket and zippered security pocket. A smart, discreet pocket on the back panel stashes a smartphone.