From the Knit Rowan website:
Knit this cabled hat accessory from the Thick ‘n’ Thin Collection, a design by Sarah Hatton using the gorgeous yarn Thick ‘n’ Thin (100% wool). This knitting pattern is for the beginner knitter.

Finished dimensions:
Completed hat measures 52 cm (20.5 inches) around head and is 21 cm (8.5 inches) long.

Yarn Information:
Photographed in Marble 964
2 skeins
108 yards