Characterized By Their Pure Lines And Refined Details, These Navigator Sunglasses Are Destined To Satisfy The Most Discerning Men. The Injection-Molded Polyamide Design Presents A Full-Rim Profile With A Keyhole Nose Bridge And Carrera's Signature ‘Grid’ Texture – A Sophisticated Three-Dimensional Effect Adorning The Outer Temples. They're Also Conveniently Equipped With Flexible Hinges To Ensure Long-Lasting Comfort.