Uvex sportstyle 109 sunglasses uvex sportstyle 109 glasses offer outstanding versatility and function for year round all weather use 3 interchangeable lenses offer varying degrees of protection decentered lens technology offers distortion free vision whilst adjustable earpieces and soft nose pads deliver a comfortable fit for protection from bright sunshine litemirror lenses keep harmful infrared rays away from the eyes and reduce eyestrain amber lenses are great on dull days as they prov