Shimano TAC Matte Clip-On Sunglasses, Black/Smoke, HG-019P

Frame (clip part): Matte black Lens: Smoke Size: Free Polarization degree: 99% or higher Visible light transmittance: 15% UV transmittance: 0.1% Material/Lens: Acetate Reference size: Lens (height x width) 40mm x 59mm It can be attached to glasses with a single touch, adding a polarization function. It's easy to use: simply flip it up with a single touch when not needed, and lower the lens when required.