Stitch counts in the directions include two selvage stitches for seaming.
Gauge is given over st st. Correct st st gauge will result in proper fit over cable pat.
I designed the cables to converge and meet at the top of this hat. A Styrofoam ball supports the cabled pom-pom. The hat is made with an easy care acrylic fiber, but remember to remove the ball before you wash and dry it to maintain its shape, or use polyester fiberfill in place of the ball.