Stella McCartney SM 4051 20905A Matte Grey Square Plastic Sunglasses Light Brown Mirror Lens Stella McCartney Matte Grey Plastic Sunglasses Light Brown Mirror Lens that never go out of style. Get the look you strive for with Stella McCartney SM 4051 20905A Sunglasses. Stella McCartney SM 4051 20905A Sunglasses are as coveted as the Plastic. These Matte Grey Plastic Sunglasses Light Brown Mirror Lens are cool to any outfit or occasion. 48mm