A pair bought = a pair given to the homeless. The composition of the Paloma model is: 74% cotton - 15% polyamide - 9% metallized polyester - 2% elastane It is available in size 36-41 The cotton used to weave our socks is Oeko-Tex certified. Bonpied socks are made in France with expertise from several generations. Our manufacturer is certified Origine France Garantie and Entreprise du Patrimoine Vivant. By choosing to manufacture in France, we support local employment and minimize transport between the manufacture of socks and you. It is our associative partners who distribute them to the homeless: the Paris Seine Civil Protection and Sock en Stock.