From the Book’s website
Understated polo neck sweater
Suitable for the knitter with a little experience

From the Knit Rowan website:
Knit this ladies timeless polo neck sweater from Storm. A design by Kim Hargreaves using the wonderfully soft yarn Baby Alpaca DK (alpaca), this pattern is suitable for the knitter with a little experience.

Finished width dimensions:
45.5: 48: 50.5: 53: 55.5: 59.5 cm
18: 19: 20: 21: 22: 23.5 inches

Yarn Information:
Photographed in Southdown
11, 11, 12, 12, 13, 14 skeins
1199, 1199, 1308, 1417, 1526 yards