Tecnifibre X-One Biphase (Natural) Size:1.30 Open Back Design: Provides a

Open Back Design: Provides a traditional look with a consistent fit

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Stormtech CPX-2 Men's Sigma Polo - Dolphin

The seamless design creates consistent stiffness and a cleaner barrel feel at the moment of contact

Tecnifibre X-One Biphase (Natural) Size:1.30 Open Back Design: Provides aX One Biphase is Tecnifibre's premium string. It is designed to take playability and durability to a new level by providing ultimate performance of power and feel, while extending string life by 20% and offering increased spin. X one Biphase joins together H2C (High Heat Capacity) and NRG microfilaments to acquire this high power and dynamic response. X One benefits from a process (trimerization), which bonds polyurethane to protect against wear and