From the Knit Rowan website:
This round neck mens sweater in Softknit Cotton features in Rowan Knitting & Crochet Magazine 59. Designed by Martin Storey, it features striped body and sleeves as well as cables on the yoke and sleeve top which would make it suitable for the more experienced knitter.

Finished chest width measurements:
50: 53: 56: 59: 61: 64: 67 cm
19½: 21: 22: 23: 24: 25: 26½ inches

Yarn information:
Photographed with Rowan Softknit Cotton
A - Cream 570
10, 11, 12, 12, 13, 13, 15 skeins
1150, 1265, 1380, 1380, 1495, 1495, 1725 yards

B - Indigo Blue 585
4, 4, 4, 5, 5, 5, 5 skeins
460, 460, 460, 575, 575, 575, 575 yards