Stance Men's Blueshift Fushion Athletic Crew Sock, Black, Sock Size:10-13/Shoe Size: 6-12 58% Polyester, 16% Nylon, 14% Spandex, 12% Elastane Imported Machine Wash Fit no. 557: crew Seamless toe closure Elastic arch support Deep heel pocket and dry low-gore seam Toe venting