This rimless night driving bifocal is light weight and so comfortable. It is great for nighttime glare, and also has the bifocal for close vision. The lenses are yellow tinted while the arms are black. The lenses are very durable as they are made of polycarbonate. The lenses are also 100% UV protected. Frame Measurements: 5 1/4" x 2" (temple to temple x height of lens)