The Light Last Minute Santa Hat is a fun and quick knit hat. 

Pattern has been revised to include 3 sizes - Small (Infant), Medium (Toddler) and Large (Child); and now includes instructions for knitting the hat with either chunky or worsted weight yarn.

Pattern requires either
150 yds chunky weight yarn in 2 colors divided,

75 yds CC (white) and 75 yds MC (red)
Size 10 needles, 16” circular and dpns
Size 8 needles, 16” circular
or 

200 yds worsted weight yarn in 2 colors divided,
100 yds CC (white) and 100 yds MC(red)
Size 8 needles, 16” circular and dpns
Size 6 needles, 16” circular

Yarn quantities provided should be sufficient for the largest size and a pompom in CC (white).

Required skills include casting on, knitting, purling, and decreasing (k2tog).

If you start now, you can have a few hats done in time for Christmas!
Enjoy the pattern, and please post photos!