From the Knit Rowan website:
Knit this ladies round neck sweater by Gemma Atkinson, worked in Pure Wool Superwash Worsted. It features an unusual travelling rib pattern on the body which makes it suitable for the more experienced knitter.

Finished dimensions:
46.5: 51: 57: 63.5: 70 cm
18½: 20: 22½: 25: 27½ inches

Yarn Information:
Photographed with Pure Wool Superwash Worsted in Grasshopper 130
6, 8, 9, 9, 10 skeins