Home to one of the world’s most modern, robotic dyeing and color-matching operations, National can offer the widest variety of dyed yarns. These include both spun and filament yarns. Fibers dyed in yarn form include acrylic, cotton, nylon, modacrylic, rayon, polyester, wool, and aramids. We can custom-match shades and work with you on specific product requirements. Offerings include hi-vis shades and infrared characteristics. For more information about specific yarns, click here or contact sales.