From KnitRowan.com website:
“Designed by Martin Storey in Handknit Cotton, 100% cotton, this all-over star motif cowl with contrast trims offers a modern take on fairisle. Its intricate colourwork would make it suitable for the more experienced knitter.

Size 3.0 mm 16” (40 cm) circular needles required. US knitters use size US 2 or 3, or to obtain gauge. You will also need 16” (40mm) circulars in size US 1 (2.25mm) .

Colors used:
Rowan Summerlite 4 ply - 100% cotton
A. Navy Ink 429 - 1 ball
B. Duck Egg 419 - 1 ball