Yonex POLYTOUR FIRE Tennis String , Red

The Yonex POLYTOUR FIRE in its signature Red colorway is a high-speed co-polyester monofilament engineered for aggressive players who want to dominate the game with power and heavy "snapback" spin. It is widely recognized for being the string of choice for several top-tier ATP and WTA professionals who require a consistent, firm response.

Performance Profile

1. Snapback & Ball Speed: This string is optimized for high-speed play. The round shape combined with a slick surface allows the strings to slide effortlessly, resulting in a rapid snapback that translates to heavy spin and impressive ball speed.
2. Control (Consistency): Because the profile is perfectly round, the launch angle remains highly predictable. This provides "surgical" precision, allowing you to aim for the lines with confidence during full-speed swings.
3. Durability: It is exceptionally resistant to "notching" (where strings saw into each other), ensuring that the sliding mechanism remains functional for the duration of the string's life.
4. Feel (Crisp & Solid): While it is a firm string, the integration of HR Elastomer helps dampen the harsh vibrations typically associated with high-stiffness polyesters, providing clean, "solid" sensation at impact.
5. Tension Stability: One of the strongest points of the FIRE series is its ability to hold tension over time, preventing the "launchy" feel that occurs when other polyesters lose their elasticity.

Best Suited For

1. High-Level Competitors: Advanced players and tournament competitors with fast, full strokes.
2. Aggressive Baseliners: Players who want to dictate points with pace and depth rather than just high-arching topspin.
3. Flat to Moderate Topspin Hitters: Those who prefer a round string over a shaped one for a more traditional, consistent feel off the stringbed.
4. VCORE & EZONE Users: The Red colorway is the iconic match for Yonex’s flagship power and spin racquets, providing a cohesive, aggressive aesthetic.

Key Technology: SIF (Silicone oil Infused Filament)

Yonex uses a unique manufacturing process that infuses silicone oil throughout the entire filament. Unlike a surface coating that wears off, this deep infusion ensures that the low-friction properties of the string remain constant. This is what allows the "FIRE" to snap back so violently, creating spin even without a textured or "edge" design.

Features

• Color: Red.
• Gauges Available: 16 (1.30mm), 16L (1.25mm), 17 (1.20mm).
• Length: 12m (Set) / 200m (Reel).
• Origin: Made in Japan.
• Shape: Round.
• Material: Co-polyester Monofilament.
• Technology: SIF (Silicone oil Infused Filament) & HR Elastomer.