TL;DR: 1-2 sk bulky yarn, in the round, with cables, up to 24” head, instructions are BOTH written-out AND charted.

The ribbing in the hat contains a secret message in binary. Originally, this hat was designed so that ribbing pattern would vary depending on your message, but since this is a March for Science hat, I’m spelling out specific variations: SCIENCE! and Science is real.

Note: Pattern updated Feb 2, 2010. Date will be on PDF; check your copy before beginning and download a new version if it does not say “updated 2/8/10” at the top.

Zabet’s first pattern. No gauge given. It might suck, or you might get a hat out of it.