What is the FLX Program? The Foot Locker FLX Program is a loyalty program through which you can earn points (“XPoints”) and later redeem them for offers, services, events, and much more. Related articles What are the membership rules? How do I enroll in the FLX Program? Do my XPoints expire? Can I get credit for purchases I made before I joined? How long does it take for my order to ship out from your distribution center?