The RX03 is Tifosi Optics insert for 2014

If you run or bike odds are you have heard of the brand Tifosi. They specialize in grilamid prescription sunglasses frames and vented lenses to increase ventilation to prevent fogging.New for 2014 - The RX03, the only rx adapter that works with the Podium, Podium S and Podium XC. Love the look of a shield (1 lens ) frame but have an rx? This is for you.Also Read: America's Cup and Tag Heuer take home the gold Made of Grilamid TR-90, a homopolyamide nylon characterized by an extremely high alternative bending strength, low density, and high resistance to chemical and UV damage. Hydrophilic rubber ear and nose pieces for a no-slip fit. Adjustable ear and nose pieces for a customizable, comfortable fit.