Are your laces worn and dirty? It's time to freshen them up with the Dr. Martens Round Laces. These black laces are perfect for your favourite boots. Length: 140cm. Replacement black laces for Dr. Martens 8 or 10 eye boots. The pair of round laces are ideal for customising your boots and are made from tetoron fabric for increased durability. 100% Tetoron. Length: 140cm