Reebok EasyTone Reeinspire has Reebok's patented sole technology which simulates walking on a sandy beach. With Reebok's EasyTone Reeinspire you walk smarter and tone easier and reap toning benefits even while standing still. Reebok EasyTone Reeinspire has balance pods in the shoe that create a natural instability that strengthens the hamstrings, calves, and buttock muscles whilst the DMX Max cushioning ensures a smooth, fluid ride.