Shimano TAC Matte Black Clip-on Glasses, Smoke, HG-019P

Frame (clip part): Matte black Lens: Smoke Size:Free Polarization: 99% or more Visible light transmittance: 15% UV transmittance: 0.1% Material/Lens: Acetate Reference size: Lens (length x width) 40mm x 59mm Can be attached to glasses with one touch and adds polarized functionality Simply flip up the lens with one touch when you don't need it, and lower the lens when you do.