Additional gauge info: 29.5 sts and 29 rows to 4” (10cm) measured over pattern stockinette stitch. Both gauges on size 3mm (US 2/3) needles

From the Knit Rowan website:
Knit this women’s fairisle and lace stitch sweater from the Summerlite 4ply Collection, a design by Martin Storey using the delicate yarn Summerlite 4ply (cotton). With a striking fairisle patterned body, lace stitch straight cast-off sleeves, deep lace stitch welt and round neck, this knitting pattern has a two star difficulty rating.

Finished measurements:
Back width: 19.5(22, 24, 26.5, 29)“ 50(55.5, 60.5, 57, 73.5) cm)
Total length: 26(27, 27.5, 28.5, 29)” 66(68, 70, 72, 74) cm
Sleeve length to underarm: 17.5(17.5, 18, 18, 18)“ 44(45, 46, 46, 46)”

Colors used - Rowan Summerlite DK
A. Washed Linen #418 6(7, 7, 8, 9) balls
B. Pepper Pot #431 2 balls for each size
C. Periwinkle # 424 1(1,1,2,2) balls
D. Buttermilk #421 1 ball for each size.
E. Pure White #417 1 ball for each size.