Gucci GG1585O Eyeglasses Color:002 Silver Havana Transparent preventing slipping and distributing weight Gunnar preventing slipping and distributing weight evenly across the bridge—especially helpful if you wear glasses for extended periods or have a lower nose bridge The Carrera CA8810 eyeglasses bring together sport inspired design and professional polish in a semi rimless rectangular frame built for men who need prescription eyewear that works as hard as they do The 51mm lens width and 21mm bridge create a medium fit that works particularly well for square and heart shaped faces designed to hold prescription lenses securely while maintaining all day comfort