Rudy Project Rudy Project Rx Optical Clip-On Insert Defender for optical used in Biking, Cycling and Sports

For use with Rudy Project Defender Sunglasses
Capable of being glazed to higher opticals than direct-glazing
Clip-on 'easy-in easy-out' system
Adapts your Rudy Project sunglasses to your optical whilst maintaining their lens interchangeability
Perfect for contact lens wearers wanting another option if their eyes become irritated