There were several popular t-shirt designs from the design contest that didn't make it as the official DrupalCon shirts, but their designers respected popular demand and had some printed up. We thought you might want to know.

Get your very own DC Takeover Shirt
The once volunteers-only shirt is now available to all for purchase. Even if you didn't get a ticket to DrupalCon, you can still rock the shirt. You can purchase the shirt for $15 (plus shipping) using PayPal or credit card at the DC Takeover Shirt Shop.
The shirts are being printed in a small batch by Union Press in Kansas City to ensure a high quality product. If they sell out another run will be printed to bring to the conference, so if you don't see your size available send a message via the contact form at the DC Takeover Shirt Shop.

Snag a Jolly Drupal Shirt as well while you're at it
This one came in a close third in the design contest and was another popular choice. Is it a nod to secret societies or an anti-establishment statement? You be the judge. The Jolly Roger Druplicon has plenty of fans. Order yours here. Men's and women's styles, as well as black, white, and other colors are available.

Shout out for more designs
Anyone else who has made DrupalCon shirt designs available for sale, please post links to your shop or site as a comment to this post. Thanks again for all the design submissions! They were great.