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Outlast + Pro Stacked Hybrid Packaging advertisement

Outlast + Pro Stacked

Made for the Long Rally

Outlast + Pro Stacked

Co-Polyester

Pair Outlast’s dependable durability and all-court performance with Pro Stacked’s added feel and versatility. This hybrid delivers a balanced blend of consistency, control, and comfort for players who want reliable performance from baseline to net.

Engineered for dependable, all-court performance, the Outlast × Pro Stacked hybrid combines Outlast’s high-performance polyester monofilament with Pro Stacked’s enhanced synthetic gut construction. Outlast delivers exceptional durability and consistent playability, while Pro Stacked’s central power core and responsive multifilament wraps add feel, touch, and versatility. Together, they create a well-rounded setup designed to support consistent performance across a variety of playing styles and situations.

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


  • Consistent All-Court Performance: A balanced combination of control, consistency, and versatility supports a wide range of shots and playing styles.
  • Enhanced Feel and Touch: Pro Stacked’s responsive multifiber construction adds feel and touch for greater confidence at contact.

  • Versatile Hybrid Setup: Combine the durability of polyester with the all-around playability of synthetic gut for a reliable, well-rounded string bed.

  • Set: 40 ft / 12.2 m
  • Gauge Configurations: 16L + 16 / 17 + 16 / 18 + 16

Power Meets Playability

Outlast’s performance-focused polyester pairs with Pro Stacked’s central power core to balance controlled shot-making with accessible power.