Brand:ROCKBROS Product:Cycling Sunglasses Weight:≈22g±3g Material:TR90+PC Type:Photochromic/PolarizedProduct Features 1.Spherical multi-angle cutting lens fits the face, conforms to the Asian face shape 2.Photosensitive discoloration Color changes with light 3.The lens adopts UV coating to form a protective layer on the surface to effectively protect against UVA and UVB ultraviolet rays 4.Two-stage elastic structure Surround temples design 5.Detachable design Easy to clean nose pads Brand:ROCKBROSProduct:Cycling SunglassesWeight:≈22g±3gMaterial:TR90+PCType:Photochromic/Polarized