Ardnish Experimental Backpack no.4An experimental 28L Ardnish Backpack made to be your bulletproof everyday companion, from city to forest in all conditions. Made predominantly from a material called ultra 800, a seriously hardcore backpack material designed to survive being beaten up daily. This backpack features a cinching top with removable and height adjustable lid with two zipped pockets. Alongside this you have a large external zipped pocket, adjustable helmet shoe pocket,