It is genuine leather.
According to the product introduction and user reviews, Su Yinyin's shoes are somewhat heavy, made of leather, and have a good texture. They are acceptable from the front, but they feel slightly non-mainstream from the side.
Su Yinyin’s shoe types include genuine leather medium and high-heeled British-style small leather shoes for women, new autumn single shoes with thick heels, women’s casual shoes, genuine leather British-style bee loafers for women, and thick-soled retro medium-heeled shoes. Women's small leather shoes, genuine leather pig's trotters split-toe shoes, shallow flat loafers for women.