Cool 1980s mountain sports glasses with modern features. The XC S3 (VLT 15%) from the American eyewear experts at Smith Optics is a truly cool sports eyewear with a design straight out of 1984! Back then, the model was designed and introduced for Nordic skiing enthusiasts; nowadays, it looks great on the snow, on the bike, or in leisure activities! Of course, clean style is one thing, functionality is another: the flip-up lenses allow you to see clearly when needed, and thanks to the proven ChromaPop technology, contrast and natural colors are enhanced, helping you perceive details better. Hit the trails, slopes, or mountains!.