NORSE PROJECTS Birnir Brushed Lambswool Walnut. Crew neck sweater in Scottish lambswool, soft and cozy. Seamless tubular knit delivers flexibility and long-lasting wear. Regular fit—comfortable, not tight. 5-gauge knit, ideal balance of neat texture and warmth. 100% Scottish lambswool. Crafted in Scotland with Harley of Scotland, a family-run mill established in 1929.