From the Knit Rowan website:
Knit this unisex sweater that is now available as a download exclusive. Designed by Vicky Sedgewick using Felted Tweed with a size range from 36-50in. This polo neck sweater features an unusual Nordic style fairisle pattern.

Now available for $7 as an individual download in English at our Ravelry Store

Finished dimensions:
48: 51.5: 54: 57: 60.5: 62: 65.5: 68 cm
19: 20½: 21½: 22½: 24: 24½: 26: 27 inches

Yarn information:
Version 1 (Red colourways)
A - Clay 177
7, 8, 8, 9, 9, 10, 11, 11 skeins
1337, 1528, 1528, 1719, 1719, 1910, 2101, 2101 yards

B - Carbon 159
2, 2, 3, 3, 3, 3, 3, 3 skeins
382, 382, 573, 573, 573, 573, 573, 573 yards

C - Mineral 181
1 skein for all sizes
191 yards

D - Gilt 160
1 skein for all sizes
191 yards

E - Ginger 154
1 skein for all sizes
191 yards

Version 2 (Green colourways)
A - Clay 177
7, 8, 8, 9, 9, 10, 11, 11 skeins
1337, 1528, 1528, 1719, 1719, 1910, 2101, 2101 yards

B - Carbon 159
2, 2, 3, 3, 3, 3, 3, 3 skeins
382, 382, 573, 573, 573, 573, 573, 573 yards

C - Celadon 184
1 skein for all sizes
191 yards

D - Avocado 161
1 skein for all sizes
191 yards

E - Pine 158
1 skein for all sizes
191 yards