We don 't use strings, but if we did the Element Micro Crew is first-string varsity all-pro. Easy on the eyes yet loaded with features, this Merino Wool Run sock offers top foot breathability and ultra-marathon durability that won 't quit even if you want to. Its adapted tech foot is the secret to crushing your next training block. But keep it hush. We don 't want them to hear. Also, we use yarn. Darn Tough Element Micro Crew Lightweight Running Socks Mens | White | X-Large | Christy Sports