Your ears are cold. This is a knit, dome shaped beanie with a double-layer headband and pom-pom.
Body: 70% recycled wool/25% recycled nylon/5% other fiber. Lining: 5.6-oz 100% polyester fleece.
Patagonia is the holy grail, started-it-all Sustainability Guru. In the '90s they were the first outdoor clothing brand to manufacture fabric from recycled plastic bottles. Since then, they've pioneered some of the most innovative eco materials and sustainable production methods in the world. Bow down.