It combines dark blue gradient lenses and a round black frame with a silver metallic bridge and lower rings. TR18 lenses stamped by Eastman, one of the world leaders in copolyester technology. Environmentally friendly and provides a unique balance between clarity and strength Category 3 lenses and UV400 protection offer superior anti-glare 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 in nickel-free stainless steel that makes them highly resistant to corrosion and much stronger. Non-slip and anti-allergic silicone pads, fixed with an exclusive Hawkers badge in 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 137 mm ; Height 49.7 mm; Temples 145 mm; 19 mm bridge; Lens diameter 51 mm Includes: Microfiber case, box and set of decorative stickers