The vango pac 15 daysack is a compact and lightweight rucksack that packs away neatly into its own front pocket meaning that you can pop it in your pocket keep it in the car or clip it to your rucksack so that you always have a useful little daysack close to hand the pac 15 has a 15 litre capacity and is made from durable yet lightweight nylon it has airmesh rucksack straps and one main zipped compartment and a smaller zipped front pocket making it a fantastic little packaway bag