The best gym shoes can make or break your fitness experience. Workout shoes provide the proper foundation upon which all of your exercise happens, ensuring you're calm, cool, and collected as you sweat it out. The Best Gym Shoes, According to GQ1. Flexible enough for dynamic movement but still stable enough to ground hardcore lifts, these gym shoes do it all with a Goldilocks amount of foam cushion. Springy and supportive, thanks to its Zoom sole, you’ll feel like you’re flying as you soar through treadmill work with ease because these are truly some of the best running shoes we’ve tried.