Designed for speed and built for the biggest stage, The Nike Team MatchFit Over-the-Calf Soccer Socks are the official socks for the 2018 World Cup Nike kits. Anatomical left and right socks are designed for a natural fit. Dri-FIT technology helps keep feet dry and comfortable. Cushioning in high-wear areas helps absorb impact. Dynamic arch provides a supportive fit and feel. Materials: 78% nylon / 14% cotton / 4% polyester / 4% Spandex.