Highlander discovery rucksack 85l description the discovery 65l is a lightweight rucksack thanks to its hex ripstop fabrics it offers comfort with an adjustable back system padded hip belt and shoulder straps with a large main compartment with draw cord divider you can pack away gear and have ease of access the bag also features multiple outer pockets walkingice axe loop and lid storage compartment features 85 litre fully adjustable back system chest strap large main c