Sparrow 30 IIDescription The bigger brother to the Sparrow 20 a simple yet sturdy 30L backpack with a well conceived design made with original materials. Sparrow 30 is a mid sized rucksack that fits perfectly into everyday carry roles and short time tactical uses. Not only limited to military roles, but Sparrow can also be often spotted on hiking trails and in the cities. Air Comfort System guarantees comfort and efficient air ventilation while still maintaining