You’re correct about the uniforms, but outfits like this were the result of Roddenberry, according to others who worked on the show.
Bob Justman: I watched resignedly as Gene, up to his old tricks, kept costume designer Bill Theiss busy, taking a tuck here and a trim there… just before [Teri Garr]'s first scene on stage, Gene went to work on her costume again. He kneeled down, gathered up her already scant skirt, and told Bill Theiss, ‘It’s too long, Bill.’ Teri rolled her eyes.
You’re correct about the uniforms, but outfits like this were the result of Roddenberry, according to others who worked on the show.
Bob Justman: I watched resignedly as Gene, up to his old tricks, kept costume designer Bill Theiss busy, taking a tuck here and a trim there… just before [Teri Garr]'s first scene on stage, Gene went to work on her costume again. He kneeled down, gathered up her already scant skirt, and told Bill Theiss, ‘It’s too long, Bill.’ Teri rolled her eyes.