From the Knit Rowan website:
This sweater by Gemma Atkinson features in Rowan Loves Cotton Lustre and All Seasons Cotton. It can be worked in either yarn and has a cropped body option. It has a simple mock cable patterning on the sleeve and would be suitable for the knitter with a little experience.

Finished width dimensions:
at underarm
46.5: 51: 57: 63: 70 cm
18½: 20: 22½: 25: 27½ inches

Yarn Information:
Long Sleeved Version with Rowan Cotton Lustre not shown
11, 12, 14, 15, 17 skeins
957, 1044, 1218, 1305, 1479 yards

Long Sleeved Version Photographed with Rowan All Seasons Cotton in Denim 249
10, 11, 12, 14, 15 skeins
980, 1078, 1176, 1372, 1470 yards

Short Sleeved Version Photographed with Rowan Cotton Lustre in Marigold 377
10, 11, 12, 14, 15 skeins
870, 957, 1044, 1218, 1305 yards

Short Sleeved Version with Rowan All Seasons Cotton not shown
9, 10, 11, 12, 13 skeins
882, 980, 1078, 1176, 1274 yards

Gauge notes:
Cotton Lustre
1 pair 5mm (UK 6/US 8) knitting needles
1 pair 6mm (UK 4/US 10) knitting needles

All Seasons Cotton
1 pair 4½mm (UK 7/US 7) knitting needles
1 pair 5mm (UK 6/US 8) knitting needles

Due to the nature of cotton yarns we would recommend that you measure your work whilst it hangs from your needles rather than laying it out flat.