Features: Channelled padded mesh back system, Foam reinforced, Waist strap, Removable sternum strap, Collar bone adjustment, Webbing channelling for radio attachment, Adjustable lid, Lid top pocket, Lid interior pocket, Snow valaise with drawstring. The Arktis Assault Pack consists of a 40 litre main pack. The lid of the pack is adjustable at 4 points permitting expansion to 60 litres (80 litres with 2 side pouches - also available) This item is commercially made and brand new.