The yarn in the Turtle Fur BTV Beanie is Ocean Ragg Wool, which is made with recycled ocean plastic. That yarn is machine knit into a kids' beanie with a blend of acrylic, recycled polyester, and wool. What Our Gearhead(R) Experts Are Saying:"Snow fort afternoons ran long, and the fleece lining kept my kid's head comfortable well after I lost track of the time."