From the Knit Rowan website:
Crochet this unique ladies jacket, a design from the Rowan archive that is now available to purchase online. A design by Marie Wallin using our wonderfully tweedy yarn Felted Tweed DK (wool, alpaca and viscose), this eye catching design is made up of granny sqaures.

Finished dimensions:
48: 64 cm
19: 25 inches

Yarn Information:
A - Seafarer 170
2, 2 skeins
382, 382 yards

B - Cinnamon 175
2, 2 skeins
382, 382 yards

C - Ancient 172
4, 4 skeins
764, 764 yards

D - Phantom 153
1, 2 skeins
191, 382 yards

E - Paisley 171
3, 3 skeins
573, 573 yards

F - Bilberry 151
2, 2 skeins
382, 382 yards

G - Carbon 159
4, 4 skeins
764, 764 yards

Extras:
QTY (3) BN1367 (18mm) buttons from Bedecked