Eggplant - a hat with a pocket - free pattern

Size
(Child) Adult

(16" to 20") 21" to 24"
(size shown is child, crammed onto an adult head to take a proper photo)

Yarn
1 skein of Knitpicks Essential Kettle Dyed in Eggplant, or 231 yards of fingering weight

Needles
US size 2 dpns
US size 2 circular (optional) 

Gauge
8 stitches/inch
10 rows/inch

Extras
1 button approx. 10mm, depending on your button hole size

Pocket
CO 20 stitches on the 1st dpn.
Knit into the front and back of every stitch, doubling to 40 stitches on the needle.
You will now slip every other stitch onto a separate needle. You want to have 20 stitches on each needle. (1st stitch on needle 1, 2nd stitch on needle 2, 3rd stitch on needle 1, 4th stitch on needle 2, etc.)
Knit the pocket in the round until it is as long as it is wide. Cut the yarn and set the pocket aside.

Pocket Flap
CO 6 stitches.
Row 1: Knit 1, knit F&B, BO 2 stitches, knit F&B, knit 1
Row 2: Purl
Row 3: Knit 1, knit F&B, knit 1, CO 2 stitches,knit 1, knit F&B, knit 1
Row 4: Purl
Row 5: Knit 1, knit F&B, knit to last 3 stitches, knit F&B, knit 1
Row 6: Purl
Repeat rows 5 and 6 until you have 20 stitches on the needle.
Knit for 4 rows and place on hold.

Hat
CO (120) 152 stitches and join in the round. Knit in 2 x 2 rib for (3) 4 inches.
Switch to stockinette and knit for 3 more inches.
Now you will join the pocket. Holding the pocket inside the hat, against the WS, knit 1 stitch from the hat together with one stitch from the pocket.
Continue knitting 1 hat stitch together with 1 pocket stitch until you have joined the front half of the pocket, 20 stitches. Knit to the end of the round.
Knit one row.
Again knit 1 hat stitch together with 1 pocket stitch, joining the remaining 20 pocket stitches.
Knit the rest of the row.
Holding the pocket flap to the RS, join by knitting one stitch from the hat together with one stitch from the flap. Continue knitting until your hat measures (9) 10 inches long.

Finishing
*K6, K2tog* repeat across row.
Knit 1 row.
*K5, K2tog* repeat across row.*K4, K2 tog* repeat across row.
Knit 1 row.
*K3, K2 tog* repeat across row.
Knit 1 row.
*K2, K2 tog* repeat across row.
Knit 1 row.
*K1, K2 tog* repeat across row.
Knit 1 row.
*K2 tog* repeat across row. Repeat this row once more. Cut yarn and weave through remaining stitches twice, pull tight and weave in end.
Sew button in appropriate place.