An additional Clarity Define lens for the Retina Big goggles frame ensures clear vision all day long and is suited to a broad range of light conditions.Highlights.Clarity Define lens technology.Mirrored lenses feature.Spektris mirror coating.Ri-Pel hydrophobic and oleophobic lens treatment.Anti-scratch treatment.Complete UV protection (UV400).Description.An additional Clarity Define lens for the Retina Big goggles frame ensures clear vision all day long and is suited to a broad range of light conditions. Clarity Define lenses are optimized for all-day use.Developed to enhance definition without increasing intensity, the lightly colored base tint is optimized to deliver a precise and enhanced visual experience all day, every day.Technical Details.Clarity Define Ideal for all-day use, Clarity Define lenses enhance definition without increasing intensity.Spektris mirror.All mirrored Clarity lenses feature the unique Spektris mirror coating, which is engineered for perfect harmony with the Clarity lens base tint for an enhanced visual experience in specific light conditions.Ri-Pel The Ri-Pel hydrophobic and oleophobic treatment protects from dirt, water, sweat, salt, oil and dust, and also makes the lenses easier to clean so your vision is always clear.Anti-scratch treatment An anti-scratch treatment on the outer lens reduces the risk of surface damage for clearer vision.Complete UV Protection (UV 400) The goggles give complete protection from harmful UVA and UVB rays.Item No.41374.