Product details •  Pack of 4 pairs of crew socks •  Ribbed trim on legFabric content and care advice •  67% coton, 28% polyester, 3% elastodiene, 2% élasthanne •  Please refer to the care instructions on the product label •  OEKO-TEX® Standard 100. Standard 100 certification by OEKO-TEX® tests textile products for harmful substances via an independent, international label.