From the Knit Rowan website:
This hooded jacket with cap sleeves has been designed by Martin Storey using Creative Focus Worsted this pattern can also be knitted in Pure Wool Superwash Worsted (superwash wool.)

Finished chest width dimensions:
51.5: 56.5: 62.5: 68.5: 75.5 cm
20½: 22: 24½: 27: 29½ inches

Yarn information:
photographed with Creative Focus Worsted in Teal 03360
6, 7, 7, 8, 9 skeins
1320, 1540, 1540, 1760, 1980 yards

Extras:
QTY (4) BN1368 buttons from Bedecked

Yarn substitution note:
If you choose you could also knit this project in Rowan Pure Wool Superwash Worsted. Please note that this yarn has a slightly different row tension as standard so please check your tension carefully and adjust needles accordingly.

Our suggested Pure Wool Superwash Worsted yarn shade is Mallard 144.