From the Knit Rowan website:
Knit this unusual women’s shrug from Warm & Toasty, a design by Lisa Richardson using Tumble, a glorious lightweight, soft and lofty yarn (alpaca and cotton). Knitted in garter stitch with cross over detail, this knitting pattern is suitable for beginners.

Finished dimensions:
Total length along shorter edges of strip
92: 97: 103 cm
36: 38: 40.5 inches
Width of strip
25: 27.5: 30 cm
10: 11: 12 inches

Yarn Information:
Photographed in Grey Stone 570
4, 4, 4, skeins
308, 308, 308 yards