From the Knit Rowan website:
Knit this women’s one button jacket with placement pattern sections to the edges from Rowan Knitting & Crochet Magazine 54, a design by Martin Storey using the luxurious Fine Lace (alpaca and wool) and our ever popular Kidsilk Haze (super kid mohair and silk). Knitted using the fairisle technique, this knitting pattern is suitable for the more experienced knitter.

Finished width dimensions:
46: 50.5: 57: 63: 70 cm
18: 20: 22.5: 25: 27.5 inches

Yarn Information:
Fine Lace
A - Gunmetal 929
4, 5, 5, 5, 6 skeins
1748, 2185, 2185, 2185, 2622 yards

C - Cobweb 922
1, 1, 1, 1, 1 skein
437, 437, 437, 437, 437 yards

Kidsilk Haze
B - Anthracite 639
7, 8, 9, 9, 10 skeins
1603, 1832, 2061, 2061, 2290 yards

D - Steel 664
1, 1, 1, 1, 2 skeins
229, 229, 229, 229, 458 yards

Extras:
QTY (1) BN1546 (22mm) from Bedecked.

Gauge notes:

• The listed Yarn weight is reflected after holding 2 strands together.
• 29 stitches and 38 rows = 4 inches (10 cm) over plain stockinette stitch using larger needles while holding one strand of each yarn.
• 34 stitches and 34 rows = 4 inches (10 cm) over design pattern stockinette stitch using larger needles while holding one strand of each yarn.