Big Phony uses American Apparel shirts.
Information on your shirt sizes and colors can be found here:
Men's 50/50 (BB301)
Colors: http://store.americanapparel.net/bb401.html
Size Chart: http://www.americanapparel.net/sizing/default.asp?chart=mu.shirts
Women's 50/50 (BB301)
Colors: http://store.americanapparel.net/bb301.html
Size Chart: http://www.americanapparel.net/sizing/default.asp?chart=womens.shirts