Large duffel bags make packing a breeze. Just open the bag up, throw in your stuff, and the job is as good as done. They may not be as easy to carry over long distances as more traditional backpacks but for relaxed travel you can't go wrong. The generous capacity of the biggest of these duffels, combined with that easy access, means that they're also perfect for transporting sporting gear from place to place. Going car camping and need to get everything packed up neatly? Off on an ice climbing trip and need to keep all your tools, boots, and climbing gear together? Into the duffel with it.