Superdry women's Colour Change Montana rucksack. Be the talk of the town with this statement rucksack! With its unique colour change front pocket panel, which changes in daylight or UV light, the Colour Change Montana features a top grab handle, padded back and straps with a large main compartment. The Colour Change Montana also features twin side pockets with popper fastening, zipped outer compartment, and is finished with Superdry Outdoor logo patches on the front and strap. 21 litre approximate main compartment capacity.