One basic hat plus two variations, in four sizes. The intarsia technique is used to knit the basic design but the detail is added at the finishing stage using duplicate stitch.

Finished Size
Child (Small, Medium, Large)

Brim circumference (unstretched):
44 (50, 57, 65)cm, (17 (19¾, 22½, 25½)in)

Depth:
18 (19, 22, 22)cm, (7 (7½, 8¾, 8¾)in)

The four sizes are worked using two different yarn weights:
DK (DK, Aran, Aran)-weight.

Gauge
The hats shown have a gauge of 24 (24, 18.5, 18.5) stitches and 33 (33, 28, 28) rows to 10cm (4in) measured over stockinette stitch, using 3.75 (3.75, 5, 5)mm, (US5 (5, 8, 8)) knitting needles.