Endura guppy glasses like 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 features 3 lens set of high definition low distortion polycarbonate lenses with hydrophobic and anti fog finish uv filtration standard en 1836 sculpted race fit with tr90 frames rubber to