Celebrate with your feet 35 years of the Free Software Foundation by donning these festive socks! The black, blue, and pink color scheme is chosen to match the colors of your FSF 35th Anniversary Poster. They're made in the great state of Michigan of 80% acrylic and 20% nylon/elastic blend.

We're offering these in two sizes. Which should you order? The manufacturer informs us that.........

LARGE socks fit a U.S. women's size 10-13 shoe, or men's 9-12 - in Europe that's about a women's 41-45 or men's 40-47.

MEDIUM socks fit a U.S. women's size 7-11, or men's 4-9. If you're in Europe that's a women's 37-42 or men's 35-42.

Download the source image for these socks here.