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 much can I save with the military discount? How long does it take for my order to ship out from your distribution center? Do I qualify for the military discount? How do I sign up for the military discount?