●IMPROVES VISION It is designed with light-filtering technology that improves visual clarity even under low light conditions and sharpens colors or edges of objects. ●EYE PROTECTION The sunglasses are made of polarized lenses that contain a laminated filter which can prevent different eye problems caused by UV rays and glare while driving. ●EXTRA DURABLE Made of high quality durable black matte frame with rust-proof screws and anti-corrosion lens that can withstand damage during accidental drop and harsh weather. ●1-SIZE-FITS-ALL It has a malleable frame that can be adjusted or bent without breaking, allowing to fit particular head shape. ●COMFORTABLE TO WEAR It only weighs less than 150 ounces which make it very light and comfortable to wear when driving, doing sports, jogging, military exercises and other outdoor activities.