Great all round bag. mp3 pocket and headphone outlet. Zipped inner pocket. Hydration inner pocket. Expandable outer mesh pockets. Full length front pockets with organiser pockets. Zipped pockets. Key holder. Side compression straps. Adjustable chest strap. Stowable waist strap -ideal for extra load comfort or stow them away when not required. Mesh comfort back - helps dissipate perspiration. Stowable rain cover. Full front zip to expand from 20 to 23 l capacity. Front adjustable cargo elastic.