ThinkGeek have recently added several items of Starfleet uniform inspired clothing to their catalogue. The latest are the TOS uniform style slippers, which naturally are available in all three department colours:
Meanwhile in the 24th century, there are A-line dresses, also in three colours:
There are also several new uniform inspired hoodies. Check them out after the jump:
Another option for the Klingon in the crew, is the Worf uniform hoodie:
And for less experienced members of the crew there's the Wesley Crusher uniform hoodie:
It's so good even the real Wesley has been wearing one!
Finally, back in the 23rd century, there are also TOS uniform inspired hoodies, which are naturally available in the three department colours: