Kristin Davis was taking a break from filming the Sex And The City Movie in New York City last week wearing the Salt. Optics“Charlotte” sunglass. Salt. Optics is a leisure lifestyle company with roots in California’s coastal subculture. The brand is about beautiful and simple design, superior quality, useful technology, hand-made craftsmanship and the perfect fit. They create eyewear for independent people with a unique sense of style and a fresh perspective. we are current, yet honor the past, and are driven by a minimal sensibility in all things. less is in fact more.