| Hinge Type: Optical Spring|
Lens Size A/B: 58/40.6mm
Temple Length: 119mm
Base Curve: 8 Base
Frame Material: TR-90
Lens Material: 580P
Comfortable medium fit.
Optical spring hinge.
Heavy-duty TR 90 nylon frame.
Includes hard case.
100% UV light blockage for max protection.
100% polarization kills reflected glare and reduces eye strain.
Built by hand and backed for life. Every pair of Costas include a lifetime warranty.
Plastic lenses are lightweight, impact- and scratch-resistant.
Glass lenses have the greatest clarity and are scratch resistant.