What in the World is Zyex®, Anyway?
A Quick Look at the History of Zyex® with Inventor, Bruce McIntosh
Ashaway's Zyex®- Based Tennis Strings: the New "Manmade Natural Gut"
A Quick Look at Polyester Monofilament Strings
Polyester, Polyketone and the Dynamics of Spin
When It Comes To String Tension, Consistency Is The Name Of The Game
Why Zyex® Now: An Interview with Steve Crandall
Player Reviews of Ashaway MonoGut® ZX Tennis String