What about polyester embroidery thread?

Polyester embroidery thread is popular for its durability, vibrant colors, and resistance to fading and shrinking. It is less prone to fraying compared to cotton threads, making it ideal for high-stress applications and outdoor use. Additionally, polyester threads are often more affordable and can withstand washing and exposure to sunlight without losing their quality. Overall, they are a versatile choice for various embroidery projects.