From the Knit Rowan website:
This drape waistcoat, with cable and moss stitch detail has been designed by Martin Storey using Creative Focus Worsted this pattern can also be knitted in Pure Wool Superwash Worsted (superwash wool.)

Finished dimensions:
From left front edge, across back, to right front edge
139: 159: 179 cm
54¾: 62½: 70½ inches

Yarn information:
photographed with Creative Focus Worsted in Natural 00100
6, 7, 8 skeins
1320, 1540, 1760 yards