I believe that you will find what you are looking for here ::
http://wiki.cohtitan.com/wiki/Super_...:_Martial_Arts
There are headings listed for each part. The pants look like they are probably in "tight".
The Martial Arts Booster tops are under "Robes"
I believe the helmets are under "Half-Helmets, I think.
That should Help...
Thank you for the time...
@Travlr (Main) / @Tymers Realm (Test) 
Alright, thank you -.- yeah I just went to the CoH wikia and that was rather useless. Thanks for the help.
Sorry for being an idiot ^^;
Make sure you stay away from the site on Wikia. Not only is it not maintained by actual players, but Wikia has become infested with virus' and trojans in their banner ads.
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Biggest Troll on the forums? I'll give you a hint:
I seem to have everything BUT the costume pieces available to me. Do I need to put in a ticket or am I not looking in the correct places for the pieces?
If someone can direct me to where I should be looking in the character creator for these pieces, I'll gladly go recheck ^^;
Thank you in advance ^^;