Polyester strings are typically more durable than nylon strings and less stiff than Aramid strings. Many players like this alternative due to its high degree of durability and power. These strings can be made by blending polyester material with varying ingredients to provide power, more durability, and consistent play under any type of weather condition. The Forten line of Poly Blends, the advanced co-polyester strings, has been developed from a recipe that is proprietary and produces outstanding performance and power. Our state of the art manufacturing facility and research department focuse on constantly upgrading our line so that we provide the most resilient, elastic, high performance products available.