Durable Strength: Marathon Threads' embroidery thread is designed with exceptional tensile strength, ensuring durability and reliability in all projects.

Wide Color Selection: Marathon Threads offers a selection of 378 premium rayon colors, 306 polyester colors, 24 metallic colors, and 20 color-changing and ombre options. Our diverse palette helps bring your creative vision to life.

Quality Tested: The viscose rayon embroidery thread from Marathon Threads has undergone rigorous independent testing for colorfastness by trusted testing agencies. Click here to view detailed reports. For more information on colorfastness, please refer to our FAQ.

Industry Recognition: Marathon Threads' threads are recognized by textile professionals as the highest quality embroidery thread suitable for high-speed embroidery machines in the United States.

Safety Assurance: Marathon Threads holds the Oeko-Tex Standard 100 certification, ensuring that our threads are free from harmful substances. This certification is awarded by Testex Zurich, a globally recognized textile testing company, confirming that our products are safe for use in baby items. Click here to view the certificates for viscose rayon and polyester threads.