3180s, Type B

Last week’s Discovery season four trailer, meanwhile, gave us a much brighter variant on the uniforms, while also evoking the classic 2250s Type B design. The previous suit jackets remained, except now they were predominantly based on division colors—the former “stripe” now being black, with trousers to match.
Since we’ve not seen the season yet, it’s hard to say if these replace the other uniform entirely or are actually used on starships compared to Federation HQ—and how long they’ll last remains to be seen. But Star Trek history tells us that there’s always a wardrobe update just around the corner, so don’t be surprised to boldly go back into the wardrobe soon enough.
https://gizmodo.com/the-most-impressive-costumes-from-star-trek-tngs-firs-1507531721
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