**Product Specifications:**
Frame: Black frame with black-gray lenses, front side POSITIVE, 45° side SIDE, black frame with photochromic lenses
Brand: Bertha
Introduction: Bertha, established in 2008, is a brand that always pursues quality. The brand is positioned as simple and fashionable, low-key and restrained, with a design concept of urban style, always focusing on conveying the spirit of freedom and individuality.