See your way to the front of the pack with the Smith Factor Polarized Sunglasses. A rimless frame moves you forward with maximum peripheral vision and an unobstructed view of what is around you. The Factor Sunglasses comes equipped with a polarized lens to eliminate glare for clear vision over pavement, snow, or water. Three interchangeable lenses come with the Smith Factor Sunglasses to ensure that you always have the best optics for your activity. See sizing chart for lens information.