It must be late and I must be going crazy, but here it goes! Get 50% off when you buy two shirts!! Basically, buy one at regular price, get one free!!! To do so, just enter the coupon code Sly50 at checkout.
Oh, there's a limited amount of coupon codes available, so don't waste any time!
http://www.slybaldguys.com/mojostore.php
are all colors available?