Endura spectral glasses antifoglike its clothing ranges endura manufactures long lasting high performance cycle accessories using the best available material and design a focus on function and longevity without cutting corners on material and construction is the enduring ethos that permeates throughout endura today featureshigh definition low distortion polycarbonate lenses with anti fog finishuv filtration standard en 1836 dependant on colourergonomic wrap around style for improved wind