From knitrowan.com website:

Featuring an intricate cable design, this wide scarf is an eye-catching accessory ideal for colder weather. Designed by Sarah Hatton it is knit in Cocoon, a super soft blend of 80% wool and 20% mohair.

You will need a cable needle.

Yarn used:
Rowan Cocoon
Color 851 Misty Rose - 8 balls