Joseph is a great hat pattern for any age kid or childlike adult ;-) Using any dk or sportweight yarn, you can knit this hat in sizes from infant to XL adult!
Blue Sky Alpacas Sport Weight
You will need:
(the following quantities are for the largest size)
90yds each of color 1 and color 2, dk or sportweight
30yds each of 3 contrast colors, dk or sportweight
needles: US 3 and US 4 dpns
skills needed: knitting in the round, k2tog, fairisle, knit in front and back
Purchase these three colors and use DK weight scarp yarn for the other colors! Or choose your own combination of 5 colors.