not trying to be an asshole but do u live close to a mall with footlocker they have tall tee's 4 for 20 bucks or are you looking for brands not just blank ones?
(And this folks, is a scared white boy trying to order tall tees online, for fear of going into a real store, with black people {gasp} that might laugh at his 5'6" figure buying a xxxxl. Lets watch.)