This is the only SUNSKI sunglasses with photochromic and polarized lenses. It has only been tried on indoors and has never been used outdoors, so it is a new, unused item. Thank you. [Quoted from the website below] These are SUNSKI sunglasses with photochromic lenses (also polarized). They are based on the popular Dipsea design and are easy to wear for both men and women. This color is a Japan-exclusive color. They feature magnetic side shields to block sunlight and rubber nose pads for increased grip. The side shields are removable. Fabric <Lens> TAC Lens <Frame> Recycled Polycarbonate <Temple> Recycled Polycarbonate Function Visible light transmittance: 20% / Ultraviolet transmittance: 0% / Polarized lenses Country of origin: China Size ONE SIZE Weight Approximately 26.1g Color ONE COLOR Remarks lens color (color from the front): slate lens type: non-mirrored lens tint (color from the inside): grey Retail price: 12,000 yen