The COS Derby shoe is a refined staple, reimagined for the rhythm of modern life. Made in Portugal, they're crafted from supple leather and designed with rounded toes, stacked heels and waxed-cotton laces.\u0026nbsp;Lace closureCOS supports responsible manufacturing via the Leather Working Group\u0026nbsp;\u0026nbsp;Upper and lining: 100% Leather. Sole: 100% Thermoplastic rubber. Excluding trims