OneTigris walks us through all the features of their small ACHELOUS Tactical Backpack in this video presentation. At 12 litres capacity, it should be a good for a day's worth of adventures whether in the outdoors or in the urban jungle. This should be available on OneTigris' Amazon store and other OneTrigris partners.
OneTigris give a quick presentation of their ACHELOUS Assault Pack that can be ordered from Amazon... "Multipurpose Shoulder Backpack: Versatile use as a tactical vest add-on pack, 1-day-outing pack, excursion pack, assault pack, hiking backpack, cycling backpack, college backpack, military backpack, everyday carry pack, or a backpack for school, riding, biking, mountaineering, trekking, short trip.