HEAD Synthetic Gut 200M Tennis Strings Reel , Gold ExtR Dual Exoskeleton Structural Armor: The

Dual Exoskeleton Structural Armor: The Adipower's defining signature technology consists of dual-height carbon ribs inserted directly into the core and frame structure of the heart

Forgiving Impact Response: Plays with a slightly softer impact feel compared to rigid geometric/shaped co-polyesters

Competitive Juniors transitioning to their first full-size adult frame

the Spark is specifically engineered for advanced club and tournament players who hunt for dominant rear-court power but still require a slightly more accommodating

HEAD Synthetic Gut 200M Tennis Strings Reel , Gold ExtR Dual Exoskeleton Structural Armor: TheThe HEAD Synthetic Gut 200M Tennis String Reel (Gold) combines a premium metallic aesthetic with the reliable performance of HEAD's solid core nylon design. It delivers a budget friendly mix of playability, arm friendly comfort, and clean control for all around recreational and club play. HEAD Synthetic Gut is built around a solid polyamide (nylon) core wrapped in a outer layer of flexible filaments and coated with a smooth, friction reducing resin.