Full frame PC material. The frame is ergonomic and fully protects the eyes. The nose pad is made of soft rubber and non slip. The length adjustment design of the foot makes it more suitable and comfortable to wear.The lens can be disassembled and replaced with a variety of colored lenses. The lens also has strong impact resistance, with CE test report. The weight of glasses is 24g (± 0.5g). There is no sense of weight, and the safety performance. remains the same.After anti fog treatment, the lens can ensure clear vision and protect personal safety in bad weather.