AfterPay Available - Whether you're at the gym or on a run, the Reebok Nano X3 features an iconic Lift and Run Chassis system to offer complete versatility when training. It's dome TPU piece in the heel compresses when under a heavy load to create a stable platform, then softens when you push off into cardio. With over 13 years experience creating training specific technology, the Nano X3 boasts award-winning Floatride Energy Foam for lightweight cushioning to make that run the easiest part of your workout.