This hat has a cable ribbing were some of the cables are continuing up to the top of the hat.

Knits from the bottom up.

Yarn: 1 skein of Lyckåkern Merino Thin (100g = 335 m)
Needles: 3 mm circular needle 40 cm, dubble pointed needles 3 mm if you don´t use magic loop.
Gauge: 27 sts x 40 rows in stockinett stich.