Red Waterboony Deluxe. Made of 100% Cotton and water absorbent open cell neoprene/polyester materials. Helps prevent heat stroke and heat distress while providing shade and protection for the face and head areas. Just soak or run water on the absorbent blue neoprene pad under the lid of your Waterboony hat and the blue neoprene absorbency will retain water while you stay cool thru evaporation and contact with the face and head areas!