Sold as a kit, with pattern and yarn.

“Each Norwegian hat kit … is $19.95 and includes:
1 pattern with charts that are very easy to read
1 ball of Heilo yarn for the main color
1 ball of Heilo yarn for the contrasting color
1 ball of cotton yarn for a no-itch cotton lining

“Pick 2 colors of Heilo. We will match a ball of cotton, for a no-itch lining.”