Look how happy she is in that coat make from the skins of the universe's fastest furry reproducer! That could be you. You could be a hero to the Klingon Empire in that thing.
Image: Her Universe/Think Geek
Her Universe and Think Geek have partnered up to do a collection of Star Trek-inspired clothing that is legitimately great. This command shirt, for example, is damn near perfect and I would wear it in all three colours:
These are my favourites, but you can browse the rest of the collection, which includes pins, scarves, shirts, skirts and jackets, here.