From the Knit Rowan website:
This ladies wrapover jacket in Felted Tweed and Mohair Haze is available as a paid pattern download. Designed by Lisa Richardson it has a relaxed feel and an all over chequer board pattern making it suitable for the more experienced knitter.

Finished measurements:
54: 60: 66: 72: 77.5 cm
21½: 23½: 26: 28½: 30½ inches

Yarn information:
Photographed with Rowan Felted Tweed DK
A - Avocado 161
4, 5, 5, 6, 6 skeins
764, 955, 955, 1146, 1146 yards

B - Carbon 159
4, 4, 5, 5, 6 skeins
764, 764, 955, 955, 1146 yards

Photographed with Rowan Mohair Haze
C - Hug 524
7, 7, 8, 9, 10 skeins
784, 784, 896, 1008, 1120 yards

D - Caring 529
7, 7, 8, 9, 9 skeins
784, 784, 896, 1008, 1008 yards

Gauge notes:
Yarn is used DOUBLE throughout, using one strand each of Felted Tweed and Mohair Haze held together.