If you own as many backpacks as we do, you might have noticed that they're categorized by liters rather than their inch-by-inch dimensions. The volume, or bag capacity, is a critical factor to keep in ...

No matter how many different suitcases, backpacks, carry-ons, purses, man-satchels and such that you own, you can still find yourself lugging the wrong type of bag and thinking "man, I need some new ...