Outlast:
A newly developed, high-performance and well-rounded polyester string designed to provide maximum durability and all-court playability.

Utilizes an innovative high-powered polyester monofilament fiber designed and shaped to provide exceptional durability and unparalleled Playability.

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Pro-stacked :
An enhanced, high-performance synthetic gut string offering unbeatable all-around playability with added feel and durability.

Features a newly developed central power-core encapsulated by high-performance, responsive multifibers to offer a versatile combination for all-court play.