The Rim Runner X20 hydration backpack offers space and hydration for long hikes. It includes a reservoir with sleeve and hose port for on-the-go hydration. The lightweight, durable synthetic material supports outdoor use. Body-mapped Air Support back padding enhances airflow. Zippered hip belt pockets keep essentials accessible, while the winged hip belt transfers load to hips for comfort. A front stretch overflow pocket stores items and layers. External trekking pole attachments free your hands.