From Pattern Notes:

“a green cabled hat made from one hank of Knitpicks Sierra. It fits my 23” head, but since it’s cablicious it also fits Mary’s head with the brim folded up and Anna, whose head is a bit larger than mine (She actually said it was snug, although I don’t see her eyes popping out or anything. Instead, that same sort of amused expression she always gets in one of my hats…the look that says “Other moms go to work, or drive a soccer van, or drink a bottle of white wine in the afternoon….my mom has a knitting blog.”). “