With a volume of 940 cu.in. / 15L, the Maxpedition Sitka Gearslinger is perfect for everyday carry. With plenty of space for a 15-inch laptop, and several pockets, pouches and 14 channels of PALS webbing, this sling-pack works equally as well as an office or school bag as it does for outdoor excursions. And, because it is from Maxpedition, you know it will last no matter how demanding your adventure is.