4 Pairs Men's Grey Marl Non-skid Slipper Socks Size 6-12 EUR 39-47 Imported With rubber non slip grips on the sole. SIZE 6-12 EUR 39-47 US 7-13 Made from 67% polyester, 31% polyamide, 2% elastine The non-skid socks are 42cm in length from toe to heel (no defined heel)