From the Knit Rowan website:
Knit this womens moss stitch, colour block sweater, from Simple Shapes Lima a design by Lisa Richardson, using luxurious Lima (baby alpaca and merino wool). Knitted in one piece and with contrast colour full length sleeve detail, this knitting pattern is for the intermediate knitter.

Finished chest width dimensions:
45.5: 50.5: 56.5: 62.5: 69.5 cm
18: 20: 22: 24½: 27½ inches

Yarn Information:
A - Guatemala 892
9, 9, 10, 11, 13 skeins
1080, 1080, 1200, 1320, 1560 yards

B - Violet 901
5, 5, 6, 6, 7 skeins
600, 600, 720, 720, 840 yards