From the Knit Rowan website:
This ladies V neck cardigan features in Rowan Loves Cotton Lustre and All Seasons Cotton. It can be worked in either yarn and comes with a hip length or standard length option. Its simple all over texture would make it suitable for the less experienced knitter.

Finished width dimensions:
at underarm
51.5: 57: 62.5: 69.5: 76 cm
20½: 22½: 24½: 27½: 30 inches

Yarn Information:
Long Sleeved Version with Rowan Cotton Lustre not shown
16, 17, 18, 20, 22 skeins
1408, 1496, 1584, 1760, 1936 yards

Long Sleeved Version Photographed with Rowan All Seasons Cotton in Putty 271
13, 15, 16, 18, 20 skeins
1274, 1470, 1568, 1764, 1960 yards

3/4 Sleeved Version Photographed with Rowan Cotton Lustre in Cowslip 374
12, 14, 15, 17, 19 skeins
1056, 1232, 1320, 1496, 1672 yards

3/4 Sleeved Version with Rowan All Seasons Cotton not shown
11, 12, 14, 15, 17 skeins
1078, 1176, 1372, 1470, 1666 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.