From the Knit Rowan website:
Knit this ladies oversized sweater from Boho Chic. Designed by Emily Platt using three of our stunning yarns; Cocoon (merino wool and kid mohair), Fazed Tweed (wool, alpaca and polyamide) and Silkystones (silk and linen), this slouchy sweater has a contrasting stripe and textured stitch detail and loose fitting sleeves.

Finished width dimensions:
77, 87, 97 cm

Yarn information:
Rowan Yarns Cocoon
A - Duck Down 833
4, 4, 5 skeins
504, 504, 630 yards

Rowan Yarns Fazed Tweed
B - Yew 004
4, 4, 5 skeins
304, 304, 380 yards

Rowan Yarns Silkystones
C - Tarn 087
2, 2, 3 skeins
218, 218, 327 yards