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Calzefratelli is the first brand of 100% cotton socks with a design that helps bring the pair together. In a market dominated by synthetic socks and low quality where the focus is lower price, Calzefratelli proposes to return to the extraordinary quality of the classic sock 100% cotton. adapting it to current needs and tastes. Its manufacture is ethical and local, in a factory in Barcelona. In its second production it has managed to incorporate organic and fair trade cotton, with GOTS certificate. The packaging is 100% free of plastics and recyclables, with design and manufacture also of Kilometer 0