I believe there is a huge market for selling pro sports-style lockers for home use, either for jocks or the armchair quarterbacks. These would be wardrobes that look just like the locker stalls you’d find in the NHL, NBA, NFL, etc. The wardrobe would be painted in team colors and feature name plaques with logos. This could be placed in the bathroom, TV den, by the front door, etc. Wherever you get ready for the day. Or wherever you want to display your favorite team gear.
And this goes beyond team sports. You could make these in the style of Battlestar Galactica, Mass Effect, or Starship Troopers as they carry a military aesthetic. Men in Black is another fun approach. Maybe the employee lockers for the Krusty Krab or Ghostbusters.
The point being that you could have a fun wardrobe that exhibits your favorite team, TV show, film, or video game. This themed wardrobe would enable you to feel like a badass when you’re accessing it.
One major change is I don’t foresee these being made of heavy materials (such as steel) like the actual locker stalls. Probably wood construction complimented by plastic or rubber fixtures (for the grates).
Other possible accessories: A bench or a rug with the team logo.