Gains aren’t given, they’re earned in the gym, the fitness room, the cardio area. The Nike Air Zoom TR1 men's training shoes are spring-loaded with responsiveness for surges of off-the-rack energy, and tough enough to stay in the fight as your spotter screams for that ever-elusive “one more!” rep. They can withstand the whims and rigors of high intensity exertion, but not at the expense of looking mid as you wind your way through the everyday paces.