TRUSOX Mid-Calf Crew Thin Soccer Sock 60% nylon, 39% cotton, 1% spandex No slip. If you want to wear TRUSOX with your actual team sock, use the Crew Length. For match play when a team sock is required, players at all levels can simply cut the foot out of their team sock. Then wear the team sock as a leg sleeve over their TRUSOX Crew Sock. Some use tape as a final step, but it's not required. 60/38/1 nylon/cotton/spandex.