Official NCAA Hail Scarf by Top of The World Soft, Warm and Breathable Acrylic Blend Premium quality fan gear manufactured by American-owned Top of the World. A terrific gift idea. Soft, Warm and Breathable Acrylic Blend Premium quality fan gear manufactured by American-owned Top of the World. A terrific gift idea. Premium quality fan gear manufactured by American-owned Top of the World. A terrific gift idea.