From the Knit Rowan website:
Knit this woman’s deep crew neck jumper from Rowan Knitting & Crochet Magazine 57, a design by Heather Dixon using the beautiful Kidsilk Haze (mohair and silk) Knitted in half fishermans rib with long sleeves and drop shoulders. This knitting pattern has a two star difficulty rating.

Finished chest width dimensions:
52: 56.5: 63.5: 69: 75.5 cm
20½: 22: 25: 27: 29½ inches

Yarn information:
Photographed in Tornado 667
5, 6, 6, 7, 7 skeins
1145, 1374, 1374, 1603, 1603 yards