Wear this hat to the LUG, the office, or your next trip to Fry’s. When someone tries to out-geek you, point out that the stripes in your hat say “HAT” in binary.
Pow – you win!
Update: the pattern is also for sale at Patternfish.
Gauge: 4 stitches, 6 rows / inch
Yarn: Cascade 220 in 8400 and 8401 (or yarn of your choice – do I even need to say that?)
Needles: 5mm circular needles
Instructions given are for an average female head (20-22 inch circumference), with instructions for an average male head (22-25 inch circumference) in parentheses.