From the Knit Rowan website:
Knit this womens stocking stitch and lace sweater from the Truesilk Collection, designed by Martin Storey using the gorgeous yarn, Truesilk (mulberry silk). With a flattering round neck, full length set-in sleeves and a beautiful lace stitch pattern on the welt, cuffs and neckband, this knitting pattern is suitable for the intermediate knitter.

Finished width dimensions:
45: 50: 56: 62: 69 cm
17.5: 19.5: 22: 24.5: 27 inches

Yarn Information:
Photographed in Serene 330
9, 10, 11, 12, 14 skeins
1476, 1640, 1804, 1968, 2296 yards