Star Trek: Every Starfleet Uniform Ranked From WORST To BEST

50. Dress Uniform - 2381

Continuing the trend of several dress uniforms being available for choice at the same time, An Embarrassment Of Dooplers sees Boimler struggling to pick which one to wear. His first choice is the standard Starfleet skant - a longer version of the regular service tunic, including the double-breast, and bordered with white.

Mariner opted against this, instead recommending the white version of the standard duty uniform. It included a gold border along the shoulders and trim, and also had division colour stripes on the sleeve cuffs. 

This uniform also seems specific to the California-class, as, while being turned away from an officer's party, Captain Freeman sees several other Starfleet officers inside, all of whom are wearing the dress uniform first seen in Star Trek: Insurrection.