LeBron James to Open ‘Unknwn’ Concept Store in Miami So what do you when your team’s clicking on all cylinders and you’re on the brink of a possible first championship? If you’re the Miami Heat’s LeBron James, you announce the launch of a new, modern luxury concept store called Unknwn. It’s slated for a Fall 2011 launch and will house a mix of apparel, footwear, printed materials and lifestyle accouterments. Brands already on deck include A.P.C., Original Fake and Nike Tier Zero. We’ll be hearing about this after LBJ gets his first ring.