Traveling can wreak havoc on your fitness. If you are lucky, all the sightseeing you do on foot will cancel out the nighttime eating and drinking. But what if you are at a convention or stuck in meetings all day? Welcome to your fitness nightmare. Here are six things you can bring along to help you work out — and feel better — while away, no matter what kind of trip you’re on. 18-Inch Tiger Tail (The Classic) Foam Roller: This foam roller’s slim size makes it great for travel: It’ll come in handy after you work out and when you’re recovering from a long flight.