Rockstar has a pretty awesome store over on their website, where they sell loads of awesome stuff, often stuff related to their famous games. They have multiple Red Dead Redemption-themed items, and just released a Barking Irons Flannel Shirt with the Red Dead Redemption brand on it. Whether it's awesome, or lame and commercial is up to you, but each shirt comes sealed in a Red Dead Redemption-era newsprint paper sack. That's awesome.
Then again, it costs $55, plus a lil' extra for shipping.