Spin / Durability

ATP World Tour Official String

Thermocore Technology - High flexibility for polyester string

High Modulus Polyester - Great durability

Standard polyester strings generate 22% more arm fatigue compared with PU multifilaments (Source: Playlab by Tecnifibre). Tecnifibre's solution, unique production process based on high temperature pre stretch fo the matrix. Shock absorbtion / Vibrations Reduction