Pack of 2 pairs of invisible trainer socks. Thanks to their tight non-slip fit, these trainer socks ensure a perfect fit.Product details •  Pack of 2 •  Tightened fabric in the middle •  Anti-slip siliconeFabric content and care advice •  69% cotton, 28% polyamide, 3% 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.