Gamakatsu Polarized GM1796 Sunglasses, Smoke,

Size (including frame thickness): Width 148mm x Height 45mm Lens color: Smoke Lens: Visible light transmittance 38%, UV transmittance 1%, Polarization degree 90% or higher. Materials: Lens: CR polarized lens (CR-39), Frame: Nickel alloy, Temples (earpieces): Plastic (spring hinge) Product Code: [GM1796] / Series Name: [Polarized Sunglasses]... Featuring a uniquely designed frame that blocks sunlight and CR polarized lenses (CR-39) that ensure clear vision. Polarized sunglasses that prevent wind and sunlight from entering, effectively helping to maintain concentration and reduce eye strain!