The Yonex Polytour Fire is a polyester tennis string designed for intermediate/advanced players with medium-to-fast swing speeds, looking for added power and spin.
Polytour Fire is one of the most responsive and soft feeling polyester strings from Yonex, and with its vibrant red colour is sure to add pop to your game and court style.
New Silicone Oil Infused Filament (SIF) technology 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.











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