The Houston Polarized Day Driver is a very sturdy semi wrap style that has a very lightweight and comfortable fit This style does not have any magnification. It works well for people who wear contacts or who do not need any corrective lenses.. The polarized lenses bring images into sharp focus and the brown tint reduces glare. This is a great style for daytime driving. Check out our night drivers if you ever have problems with glare from oncoming headlights. Frame Measurements: 5 1/2" x 2" (temple to temple x height of lens)