The DOUBLE CONCEPT from Red Bull SPECT Eyewear offers crystal-clear vision and high-contrast colors thanks to I°BOOST. POLAR°Z technology absorbs dazzling light and enhances contrasts. With modern designs, adjustable temple tips and rubber nose pads, it combines style, comfort and perfect performance for sport and leisure.Lenses with I°BOOST technology ensure intense contrasts, brilliant colors and razor-sharp vision.Polarized lenses are beneficial for sports and leisure activities. They absorb dazzling light, enhance contrasts and improve color perception.Lens Category 3