From the Knit Rowan website:
Knit this accessory chunky ribbed scarf, available as a free pattern to download. Designed by Heike Kruesell using our wonderfully soft machine washable worsted weight yarn Pure Wool Worsted (wool), this yarn is available in a huge variety of shades so you can choose your favourite!

Finished dimensions:
Completed Scarf measures approximately 26.5 cm (10½ inches) wide and 160 cm (63 inches) long.

Yarn Information:
Photographed in Granite 111
3 skeins
657 yards