These great safety glasses with bifocal readers placed in them for those people who need to see detail or read on their job, or bike, ski, etc. They have a padded frame to insure a tight fit without any discomfort. They meet all the criteria of the ANSI safety standards board. This style is available in clear for indoor work, smoke tinted for outdoor work, amber tinted for night driving, and copper-tinted driving. Frame Measurements: 5 1/4" x 1 5/8" (temple to temple x height of lens)