My headcannon here is that Starfleet Fashion Week is this highly competitive yearly event, with designers trying all kinds of insane things to turn admiral’s heads. So there’s this robust fashion industry vying for bragging rights for re-tooling all the Federation uniforms. All this stuff comes out of replicators anwyay, there’s no reason not to change uniforms up every few years if they feel like it. Hence the outfit churn.
My headcannon here is that Starfleet Fashion Week is this highly competitive yearly event, with designers trying all kinds of insane things to turn admiral’s heads. So there’s this robust fashion industry vying for bragging rights for re-tooling all the Federation uniforms. All this stuff comes out of replicators anwyay, there’s no reason not to change uniforms up every few years if they feel like it. Hence the outfit churn.
Which you can combine with real canon pretty easily.
From what I remember, Uniforms were not universal in Starfleet. Neither was the badge on your uniform.
You could have had all this fashion week stuff going on using each ship as a different runway