Reebok’s been cranking out some of the best ... Short sprints or quick treadmill bursts are fine, but for longer runs? Not so much. The firm sole and flat base isn’t the best for pure cardio ...

Reebok states the Nano Gym Shoe has the ... I also tried them on the treadmill and, while I'll always advise a running shoe for running, they felt a lot nicer to run in compared to the Nano ...