The product is a knitted cap in the shape of Gorillac's head. Available in blue, brown and black. A beanie is a type of knit cap that covers just the top of your head and has a pom-pom on top. Beanies are warm, wind-resistant hats made from wool, acrylic, or other similar materials. The knit hat that we're talking about in this article is the one with a pom-pom on top!