lights for jackets - Google Search Some people light up the room naturally. Others of us need help. And adding 400 LEDs to what is pretty much the epitome of pimpwear already is the perfect fashion storm to make you the star of this year's office festivities. When first activated, the lights alter colors in sync. But over time, this synchronization wears off and the jacket becomes what firsthand accounts will surely refer to as "light vomit."