RYDERS - POLAR KAT, CAT 3

Base Curve: 6 Plastic: TR90 is thermoplastic material produced in Switzerland it is incredibly durable| flexible| and lightweight Polycarbonate: Polycarbonate is lightweight| comfortable| impact resistant| and provides UV protection. UV400| Impact Resistant| Scratch-Resistant Coating| Hydrophobic| Optically Correct and Hydrophilic Nose Pads