KALLA is one of the fashion brand in eyewear, we focus on offering the latest fashion styles and trendy colors to the cusumers. KL6120 is one of the men classic sport metal frames with 1.0mm polarized sun lens.The front materials is stainless steel and temples are TR90 injection with metal logo on temples outside. We have different colors for this style, matt blue & shiny silver front with solid blue polarized lens, matt black & shiny silver with solid smoke polarized lens. matt gun & shiny silver with smoke polarized lens.