This vango contour rucksack features a 60 litre capacity with an extra 10l in handy storage thats the recommended size for duke of edinburgh award expeditions not only is there a place for everything this pack has numerous features to ensure comfort on the move features quick adjust back system an internal alloy frame supporting the length of the back is easily adjustable to fit individual size durable construction excel 600d polyester with excel 1680d polyester base to handle hardwea