From the Knit Rowan website:
Using one of Rowan’s best loved yarns Original Denim (cotton), this cable mens design has been taken from our archives. Originally featured in Magazine 31 and designed by Martin Storey, it is now available as a free pattern to download as part of our Original Denim Online Collection.

Finished width dimensions:
53.5: 56.5: 59.5: 62.5: 65.5: 68.5 cm
21: 22: 23.5: 24.5: 26: 27 inches

Yarn Information:
Photographed in both Nashville 225 and Ecru 324
23, 24, 26, 27, 28, 30 skeins
2300, 2400, 2600, 2700, 2800, 3000 yards

Gauge notes:

• Before washing: 20 stitches and 28 rows to 10cm (4 inches) measured over stockinette stitch using larger needles.
• Machine wash all pieces before completing sewing together.
• Denim will shrink in length when washed for the first time. Allowances have been made in the pattern for shrinkage.