Conditions can change at a moment' s notice, so why should your eyewear? Stay visible with the Radius from Tifosi Optics. Designed for cycling and running. Grilamid TR-90 frame construction for optimal durability and resistance to chemical and UV damage. Shatterproof, decentered polycarbonate lenses help to minimize distortion and sharpen peripheral vision. Hydrophilic, adjustable ear pads. Glare Guard reflective lens coating helps reduce eye fatigue, while allowing for the wearer to see breaks in the terrain. Tifosi lens breakdown: Clarion lenses feature a hydrophobic lens coating, reflective mirror tint, and they do not distort colors. & amp #8226 AC Red: suited for all conditions , this lens has a 41.4% L.T. & amp #8226 Clarion Blue: 14.7% L.T. & amp #8226 Clear: 95.6% L.T. & amp #8226 GT: best suited for golf/tennis 16%.4 L.T. & amp #8226 EC: extreme contrast 39.1% L.T. & amp #8226 Smoke: 13.4% L.T. 100% UVA UVB Protection. Lens vents for increased airflow and deceased fogging. Fits small to medium. Good fit for women. Direct Fit lenses can accommodate most single-vision prescriptions into the entire lenses, resulting in distortion-free vision without visible lines or use of adapters. Includes zippered hard-shell case. Imported. Measurements: Eye Size: 62 mm Bridge: 10 mm Temple Size: 128 mm Weight: 1 oz This product may have a manufacturer' s warranty. Please visit the manufacturer' s website or contact us at for full manufacturer warranty details.