High Sierra Tech 2 Series Lightning 35 Frame Pack 35 liter, top-load main compartment with gusseted draw string closure and adjustable top lid Contoured backpack straps, with adjustable load-lifters and VAPEL mesh padding Straps have a removable media pocket and an adjustable sternum strap to stabilize the pack Adjustable lid has an outer zippered pocket with key fob and inner zippered pocket; bungee cord on the lid holds extra gear Airflow 2 suspended back panel system helps keep your back cool and dry