Introducing the SNEAKELYSE ECO ALTER MAT sneakers by Stella McCartney. These stylish sneakers are designed for the modern woman who values both fashion and comfort. Made with a blend of high-quality materials, including 64% polyurethane and 36% viscose for the lining, 66% polyurethane and 34% EVA for the outer part, and 73% polyurethane and 27% polyester for the upper part. Step out in style with these fashionable and durable sneakers.