ive been a long time runner and recently started having some knee/achilles heel problems. i ask for advice on shoes in foot locker and the guy looks at me like i have two heads. these guys, however, really know what they are talking about. they found shoes that help with my heel after diagnosing my running and a strap that helps with my knee. i've been back in loggin in the miles again after i was ready to never run again. very, very good.