Taken from Knit Simple - 2011 Holiday: "The blanket and hooded cardigan of this set share diamond cables filled with seed stitch, a texture echoed on the borders and straps of the trousers."
This pattern is in Knit Simple - 2011 Holiday, page 86.
Size US 3 straights (or size needed to obtain gauge), cable needle, and five 1/2" buttons are required but not included.