THE ONE "TR90 POLARIZED" amazon It is a lightweight

It is a lightweight

* Polycarbonate Reflective Mirrored UV400 Lens

durable and impact resistant material which can effortlessly bend under pressure making it less likely to break

* Nickel Finish Metal Frame

TR90 is a thermoplastic material based on Swiss technology

THE ONE "TR90 POLARIZED" amazon It is a lightweightTHE ONE "POLARIZED" 100% UV Impact Resistant Glare Reducing Performance Polarized Lenses TR90 is a thermoplastic material based on Swiss technology. It is a lightweight, durable and impact resistant material which can effortlessly bend under pressure making it less likely to break. Stainless Steel 5 Barrel Durable Optical Hinges Lightweight Frame Material Ideal for Everyday Wear Due to its Strength and Flexibility Frame Measurement: 60 49 142