Backpacks are vital for exploring the outdoors, carrying everything from a snack to survival gear. You can have the best hiking backpack around, but if it's not fitted properly it'll be uncomfortable ...

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 ...