Keeping your head warm is essential for your journeys through Yellowstone or any outdoor adventure. The Bison Wool Hat will keep you warm throughout the winter season and features depictions of Yellowstone's most memorable wildlife animals, the mighty bison. Check out the hand-made knitted Paw Print Wool Hat. This hat is a certified Predator Friendly Wool product which supports sustainable agriculture in America. Find warmth and style in the winter cold with the Ewe Hoo Big Sky Hat, decorated for a fun fashion statement with a polar fleece lining. All purchases on Yellowstone Forever support the future work and preservation of Yellowstone National Park.