A new optical technology from Rudy Project, Polar 100 features a monomer lens material that eliminates glare and protects against UV rays. Polar 100 is found in many models in its Technical Performance and Performance Attitude lines of glasses. SRP for replacement lenses (Brown or Grey) is $224.99. Sunglass (RB3, Rydon or Ekynox SX) Black frame with either Brown or Grey lens, SRP is $384.99 www.rudyprojectusa.com