Used a few times. There are no noticeable scratches. These sunglasses achieve overwhelming lightness and excellent fit. The lenses (sold separately) can be replaced with the optimal lens for the field, weather, and time of day. Polarized lenses are included, which effectively cut reflected light from road surfaces and snow. These are wide lenses with a wide width to reduce light entering from the gaps between the lenses and the face. Specifications [Material] Frame: Super-elastic nylon resin Nose pad: Thermoplastic elastomer Lens: Polycarbonate [Weight] 18g [Color] Black (BK) [Storage size] 7.0 x 15.0 x 5.6cm (size of the semi-hard case) [UV cut rate] 99% or more [Visible light transmittance] Black x Brown: 15%, Matte Black x Gray: 15%, White x Gray: 15% [Features] Polarized lenses, 2-stage adjustable nose pads, soft case that can be used as a lens cleaner, semi-hard case included