Handmade acetate and stainless steel construction 24k gold plated stainless steel five barrel hinges for maximum durability 24k gold plated metal frame inlay, temple segments, and temple caps Triple polished Italian made jet black acetate frame and temples 9FIVE Signature logo laser etched on outer right and left temples Clear CR-39 (100% UV Protection) lens with 9FIVE logo on right lens Handmade acetate frame and temples *Note: Light Adaptive tint is not as dark as our standard sunglass option