From the Knit Rowan website:
Knit this Womans cable jumper from Rowan Loves.A design by Sarah Hatton using either the gorgeous Kidsilk Haze or the beautiful Felted Tweed.with long raglan stocking stitch sleeves and a crew neck.This is for an intermediate knitter.

Finished chest width measurements:
44: 49: 55: 62: 68 cm
17.5: 19.5: 21.5: 24: 26.5 inches

Yarn information:
Photographed in Felted Tweed DK colorway Scree 165
6, 7, 8, 9, 9 skeins
1146, 1337, 1528, 1719, 1719 yards

Kidsilk Haze held DOUBLE
10, 11, 13, 14, 15 skeins
2290, 2519, 2977, 3206, 3435 yards