k1 Photochromic visor lens For AGV K1 K3SV K5 K1S K5S GT4 Compact ST Helmet Mask Shield Accessories Full Face Sun goggles visors

High-concerned chemical：None Material：POLYESTER Origin：Mainland China CN：Zhejiang note：When exposed to ultraviolet light, the color changes.

High-concerned chemical: None Material: POLYESTER Origin: Mainland China CN: Zhejiang note: When exposed to ultraviolet light, the color changes.