SLM105F-002 Sunglasses, Black/GreyYSL Square Butterfly Sunglasses, Black Grey. Saint Laurent's cat eye sunglasses are crafted of sleek acetate with gradient lenses. This pair is finished with a YSL monogram on the temples. Model Number: SLM105F 002 100% UV protection Gradient lenses Adjustable nose pads Case and cleaning cloth included Acetate nylon Made in Italy 55mm lens width 20mm bridge width 150mm temple length COLOR: BLACK GREY