SUPPLIES
Size US 6 or US 7 Circular needles and DPNs
Stitch markers
Tape measure
Darning needle
Worsted weight yarn
220-300 yards

I used size 7, but I have a larger head and the hat fit loosely. For a more snug fit use smaller needles and reduce length from cast on edge by omitting the eyelets at the beginning or end of the pattern.