Product details • Pack of 12 pairs : Plain white • Marl grey tips and underside • Ribbed leg Fabric content and care advice • 76% cotton, 20% polyester, 3% polyamide, 1% elastane • 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.