From the Knit Rowan website:
Knit this ladies sleeveless top with contrast stitch detail from Rowan Studio 32. A design by Martin Storey, using our wonderful dry handle cotton yarn, Cotton Glace (cotton), this knitting pattern is suitable for the average knitter.

Finished width dimensions:
TBA

Yarn Information:
A - Black 727
5, 5, 6, 7, 8 skeins
625, 625, 750, 875, 1000 yards

B - Bleached 726
3, 3, 4, 4, 5 skeins
375, 375, 500, 500, 625 yards

Gauge notes:

• 27 stitches and 51 rows = 4 inches (10 cm) over Lower pattern using larger needles.
• 28 stitches and 46 rows = 4 inches (10 cm) over Upper pattern using larger needles.