From the Knit Rowan website:
This slash neck sweater in Summerlite 4ply by Marie Wallin features in Rowan Knitting & Crochet magazine 59. It has a delicate crochet body and knitted rib trims.

Finished chest width measurements:
50: 60: 70 cm
19½: 23½: 27½ inches

Yarn information:
Photographed with Rowan Summerlite 4 ply in Pinched Pink 426
6, 6, 7 skeins
1146, 1146, 1337 yards