I joined FLX Rewards at Foot Locker. May I still use my benefits at Champs Sports? Absolutely. Your membership status and benefits follow no matter where you shop across the Foot Locker family of brands. Related articles How do I manage my FLX Rewards account? What are Head Starts? I signed up for a Foot Locker account. Do I need to also sign up for FLX Rewards? What are the full FLX Program membership terms and conditions? I forgot to tell a store team member I’m an FLX member. Can I still get XPoints for my purchase?