BLX is new Wilson Racquet technology engineered with basalt fibers combining proprietary frame, grommet and grip technologies for the prefect feel. "BL" stands for Basalt, and "X" stands for Proprietary technologies combined for the perfect feel.
Basalt is a nnatural volcanic rock. It can be used in manufacturing where it is made into fine gold fibers with incredible vibration resistance. Wilson's new technology, BLX, has used these basalt fibers and woven them longitudinally with [K]arophite Black to create the most advanced composite in the industry.
*denotes year the item was introduced to the market