From the Knit Rowan website:
Knit this men’s or women’s unisex rib stitch and vertical garter stripe hat from the brochure Big Accessories, designed by Martin Storey, using Alpaca Chunky (alpaca). This pattern is for the beginner knitter.

Finished dimensions:
Designed to fit an average person’s head.

Yarn Information:
Photographed in Pigeon 073
2 skeins
152 yards