Fits over most prescription glasses
Anti-Fog inside lens
Anti-Scratch inner and outer lens
Soft protective microfibre carry bag
Wrap around design for maximum vision
WSF approved
6-level variable frequency vibration / Alleviate muscle stiffness and soreness / Enhance blood circulation / Improve health of soft tissues / Increase exercise range
This string’s Silicon Pyrogene Lubritec, SPL, technology reduces elongation and improves durability by 40%. Also, its micro-composite fibers provide high resiliency for increased power, while the polyurethane in the string reduces shock during ball impact. Thin gauge for excellent ball speed.