How I do I manage my FLX Rewards account? Sign in to the FLX Rewards Dashboard. You can also manage your FLX Rewards account in the Foot Locker app. Related articles I joined FLX Rewards at Foot Locker. May I still use my benefits at Champs Sports? How do I join FLX Rewards? I was a member of VIP. What happens to my membership? Contact Us What are Head Starts?