I joined FLX Rewards at Champs Sports. May I still use my benefits at Foot Locker? Absolutely. Your membership status and benefits follow no matter where you shop across the Foot Locker family of brands. Related articles If I return my item, will I get my FLX Cash back? How do I manage my FLX Rewards account? How can I use my points? How do I get free standard shipping? How do I join FLX Rewards?