100% recycled polyester pack fabric, the Mantis 1 is great for quick hikes or as a secondary pack on your longer adventures. It can be worn around the waist or over the shoulder and has a Spacermesh™ back panel for improved airflow. The zippered front pocket has a clip for keys, and internal organization includes an easy access stash pocket and zippered security pocket. A smart, discreet pocket on the back panel stashes a smartphone.