From the Knit Rowan website:
Knit this women’s textured rib and lace sweater from our Summer Selects Online Collection as an exclusive download. A design by Martin Storey using the beautiful yarn Summerspun (wool and cotton, this knitting pattern has a round neck, garter stitch edgings and three quarter length sleeves.

Finished width dimensions:
48: 53.5: 59: 66.5: 73.5 cm
19: 21: 23.5: 26: 29 inches

Yarn Information:
Photographed in Blackfriars 121
9, 10, 11, 13, 14 skeins
1179, 1310, 1441, 1703, 1834 yards