TR18 glasses with the seal of Eastman, one of the world leaders in copolyester technology. Respectful with the environment and provides a unique balance between clarity and resistance Category 3 glasses and uv400 protection Sunglasses made of Swiss TR90 with the EMS seal, considered the best Nylon for frames in the world that provides more flexibility and resistance Metal ring on nickel-free stainless steel that makes them highly resistant to corrosion and much stronger Non-slip and anti-allergic silicone pads, affixed with an exclusive Hawkers badge on stainless steel. Finished with geometric lines design 5-bar hinge for greater grip and durability Wider temple terminal design to improve ergonomics and comfort 45º joint to soften the joint between frame and temple giving it perfect continuity Measurements: Front 13.95 mm ; Height 45.6 mm; Temples 145 mm; Bridge 18 mm; Lens diameter 52 mm Includes: Personalized microfiber case, personalized box and set of decorative stickers