Essentially, it's just a fabric bag with additional ropes attached so that you can carry it as a backpack. They're very cheap, and you can easily get one for $5-$10. As the name suggests ...

The Ranchero 27L Backpack offers YETI's trademark durability in a design tailored for daily work and gym use, complete with laptop compartment.

Whether you're into rugged adventures in the wilderness or getting lost in bustling cities, a backpack may be the most essential piece of travel gear there is. If you choose your pack right ...