Give your hands a break from acting as a sun guard each time you venture outdoors. Your peepers will thank you each time you sport the Slip Interchangeable 2011 from Tifosi Enthusiastic Eyewear. ; Features an updated lens changing process, for increased durability, from the previous version. ; Designed for running, cycling and hiking. ; The Smoke and Brown lenses are best for when the sun is high and the sky is clear. For cloudy days, you'll want to reach for the AC Red lens. Low lighting calls for the Clear lens. ; 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. ; Glare Guard reflective lens coating helps reduce eye fatigue. ; 100% UVA UVB Protection. ; Hydrophilic rubber nose pieces and adjustable temples. ; Lens cutout allows for ventilation and anti-fog. ; Fits small to large. ; Good fit for women. ; Includes a hard-shell, zippered case and cleaning bag. Measurements: ; Eye Size: 79 9 14 mm ; Bridge: 17 2 7 mm ; Temple Size: 128 1 5 mm ; Weight: 1.2 oz ; This product may have a manufacturer's warranty. Please visit the manufacturer's website or contact us at for full manufacturer warranty details.