Unisex Eyewear model by TR18 with the seal of Eastman ????, one of the world leaders in copolyester technology. Environmentally friendly and provides a unique balance between clarity and strength Category 2 cosmetic glasses and uv400 protection that offer anti-glare protection Sunglasses made of TR90 with the stamp of EMS ????, considered the best Nylon for frames in the world that provides more flexibility and resistance Double action hinge for secure temple closure and durability Wider temple tip design to improve ergonomics and comfort 45º joint to smooth the joint between frame and temple giving it perfect continuity Measurements: Front 139 mm, Temples 145 mm, Bridge 16 mm, Lens Diameter 54 mm Includes: Personalized microfiber pouch, personalized case and set of decorative stickers