From the Knit Rowan website:
Knit this womens cropped fairisle sleeveless pullover from Rowan Knitting & Crochet Magazine 54, a design by Marie Wallin using the perfect combination of Colourspun (wool and mohair) and Rowan Tweed (wool). This design is ideal to be knitted in the round and is suitable for the average knitter.

Finished width dimensions:
42.5: 47.5: 53.5: 59.5: 66.5 cm
16.5: 18.5: 21: 23.5: 26 inches

Yarn Information:
Colourspun
A - Buttertubs 270
2, 3, 3, 3, 4 skeins
296, 444, 444, 444, 592 yards

Rowan Tweed
B - Settle 597
1, 1, 2, 2, 2 skeins
129, 129, 258, 258, 258 yards

C - Wensley 590
1, 1, 2, 2, 2 skeins
129, 129, 258, 258, 258 yards

D - Hubberholme 589
1, 1, 2, 2, 2 skeins
129, 129, 258, 258, 258 yards

E - Reeth 596
1, 1, 1, 1, 2 skeins
129, 129, 129, 129, 258 yards