Adidas Metro IV OTC Soccer SockThis soccer sock features arch and ankle compression for support and comfort. Leg is flat knit for better feel and the foot-bed is cushioned for comfort and durability. Knit-in size indicator on bottom of foot bed. Fit & Design: Lightweight construction for a close fit Arch and ankle compression for added support Double welt construction to stay in place all game long Moisture wicking fabric keeps you dry and comfortable