Large main storage pocket suitable for carrying kit and footwear. Internal security pocket. Smaller front pocket. 2 wing pockets 1 of which is mesh with key fob and identity medical card. Water resistant, high visibility rain cover which is removeable. Bladder compatible. Water resistant zips. 360 degree reflectivity. Velcro side tidies. Durable rip stop nylon construction. Sternum straps for added support and anti bounce. Air mesh back panel with ventilation channels and structured back plate.