From the Knit Rowan website:
Knit this women’s plaid style coat from Pioneer, a design by Martin Storey using the gorgeous yarn Creative Focus Worsted (wool and alpaca). With a stunning plaid design throughout, shallow set-in full length sleeves and gorgeous fringed edging detail, this knitting pattern is for the experienced knitter.

Finished width dimensions:
57: 62.5: 67.5: 74: 81.5 cm
22.5: 24.5: 26.5: 29: 32.5 inches

Yarn Information:
A - Ebony 00500
8, 9, 10, 11, 12 skeins
1760, 1980, 2200, 2420, 2640 yards

B - Nickel 00401
3, 4, 4, 4, 5 skeins
660, 880, 880, 880, 1100 yards

C - Natural 00100
1, 2, 2, 2, 2 skeins
220, 440, 440, 440, 440 yards