From the KnitRowan website:
Knit this gorgeous, cable-detailed cardigan -- ideal for layering.

Finished width dimensions:
46: 51: 57: 63: 70.5 cm
18: 20: 22½: 25: 28 inches

Yarn Information:
Photographed in Shetland Mooritt 955
10, 10, 11, 12, 13 skeins
1200, 1200, 1320, 1440, 1560 yards

Extras:
QTY (5) large buttons

Gauge notes:

• 7mm needles are listed in the pattern as the equivalent of US 10.5 needles.
• 13 stitches and 18 rows = 4 inches (10 cm) over stockinette stitch.
• 16.5 stitches and 20 rows = 4 inches (10 cm) over cable pattern.