From the Knit Rowan website:
Knit this men’s v neck sweater from Rowan Knitting & Crochet Magazine 54, a design by Josh Bennett using the gorgeous yarn Colourspun (wool and mohair). With cable panel detail, set in sleeves and collar, this knitting pattern is suitable for the average knitter.

Finished width dimensions:
48: 51: 53.5: 57.5: 59: 62: 65.5 cm
19: 20: 21: 22.5: 23: 24.5: 26 inches

Yarn Information:
A - Semer Water 276
7, 8, 9, 9, 10, 10, 11 skeins
1036, 1184, 1332, 1332, 1480, 1480, 1628 yards

B - Giggleswick 272
3, 3, 3, 4, 4, 4, 4 skeins
444, 444, 444, 592, 592, 592, 592 yards