These modern square-toe Derby shoes are crafted from supple chrome-free leather that's polished to a high shine and will soften beautifully with wear. They fasten with waxed laces and rest on robust rubber soles. Lace-up closure COS supports responsible manufacturing via the Leather Working Group  Upper and Lining: 100% Leather. Sole: 100% Thermoplastic Rubber. Excluding trims