Green Bay wore the throwback jerseys -- which imitate the jerseys the Packers wore in 1929, which may or may not have made the stock market collapse -- in 2010 and 2011. What you can't see in the picture is the tan pants; you can see the dark blue jersey and the, um, milk chocolate-brown (?) helmets.
We actually think they look kind of cool. We're only guessing here, too, but maybe the height-sensitive Aaron Rodgers demanded that Green Bay bust them out again? Per this Yahoo blog, it seems likely (and yes, we Googled "colors that make you look taller" to find this:
You have probably already heard that wearing darker colored clothing can actually make you look slimmer. Opting for colors such as black, navy blue, forest green, maroon, and chocolate brown can make you look slimmer -- and ultimately taller.
At least for one game, the wee Rodgers will feel taller.