From the Knit Rowan website:
Knit this ladies short sleeved cardigan, a design from the Rowan archive that is now available to purchase online. Designed by Martin Storey using the lovely dry handle summer yarn Creative Linen (cotton and linen), this fitted stocking stitch cardigan has garter stitch edgings

Finished width dimensions:
45, 50, 55.5, 62.5, 68 cm
17.5, 19.5, 22, 24.4, 27 inches

Yarn Information:
Photographed in Apple 629
3, 4, 4, 5, 5 skeins
657, 876, 876, 1095, 1095 yards