Main : Outlast 22.3 feet / 6.8 meters
Cross : Pro Stacked 20.7 feet / 6.3 meters

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.

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.