Now, t-shirts are generally the best clothing item used in product promotion. Cheap to produce, easy to spot on the person wearing the t. You probably have a few in your wardrobe, say from Marc Jacobs, or Valvoline. After about 20 years they start to look all vintage and cool.
We blush/wince to think what the briefs worn by models at a party for the new movie/book/blog/lifestyle Boy Culture will look like after two decades. The boy culture blog has all the pics.
Full disclosue: Out columnist Jesse Archer has a role in the flick