Contour Mens Prescription Glasses, FM6014 Black/Crystal:Crystal prescription glasses let you express your own styleFrames are rectangular and made fromdurable plasticSingle bridge nosepiece for a snug fitLenses are offeredin single vision and progressive no-lineUpgrades are available to suit your needsComplements your skin tone and facial contoursWear them at work or lounging at homeContour Men's Prescription Glasses are for men who like a classic lookIncludes a case and cleaning cloth