Tifosi Alpe 2.0 Single Lens SunglassesTifosi Alpe 2.0 :: Tifosi Sport optics are lightweight, precisely fitted, supremely technical sunglasses designed for runners, triathletes, cyclists, golfers and all sporting enthusiasts. Shatter-proof polycarbonate lenses offer 100% protection from harmful UVA/UVB light and are decentered for optical clarity. Many styles offer adjustable nose pads and ear pads for the perfect fit; all hydrophilic rubber nose and ear pads resist slipping. Frames are made of durable, flexible TR-90 Grilamid.