Impressive snapback and responsiveness from SIF technology* (Silicone Infused Filament)

ThisYonexstringis for players with medium-to-fast swing speeds looking for added power and spin.

*SIF technology is developed in cooperation with NANODAX

• Gauge 16L (1.25mm)
• Made in Japan
• Roundstructure
  

Silicone Oil Infused Filament Technology

SIF

This new Silicone oil Infused Filament (SIF) technology – monofilament infused with silicone oil – allows big hitters to experience ultimate spin from intense snapback speeds. Greater snapback produces a powerful spin.

SIF Technology with unique pentagonal structure allows the string to move faster than conventional models, increasing spin.

Equipment used by:

• Elena Rybakina – Kazakhstan
  
• Tatjana Maria – Germany
• Eugenie Bouchard – Canada

Features:

• Reel length: 200 m/ 656 ft
• Hard
• Polyester (monofilament)