Versatile and perfect for the urban commute and running errands, grocery shopping on the weekend.  I love how it expands from 1,350 to 2, 700 cu. in. when you need the extra capacity. Travel Bag, Field Bag, Mission Workshop, Leather Backpack, Bags & Backpacks, Backpack Bags, Travel Bags, Waxed Canvas Backpack, Duffel