Superdry women's Strobe Light Montana rucksack. Stand out from the crowd with the innovative Strobe Light Montana. With its built-in light-up piping, which features slow, medium and fast flashing lights controlled from the switch in the outer pocket, stay seen when you re out and about. The Strobe Light Montana is a classic design rucksack in, featuring a top grab handle, padded back and straps, and a large main compartment. The rucksack also features twin side pockets with popper fastening, a zipped outer compartment, and is finished with silicone Superdry Outdoor logo patches on the front and strap. 21 litre approximate capacity.