You will need:

Size 10 16” circular needles
Size 10 DPNs
A needle to weave in loose ends and sew the flaps to the hat
scrap yarn of the same or similiar color.
A skein color of your choice in Bernat Boucle.
Two buttons that go well with the yarn.
A sewing needle
Similiar colored sting (to sew the buttons on!)

Pattern is avaliable for free at my blog. :) See there for more details.