2(x) ist Men's 3 Pair 1/2 Terry Square Cut Sport Liner,Black,10-13 80% Cotton, 15% Polyester, 5% Spandex Imported Machine Wash Fits men's shoe size 6-12 As 2(X)IST continues to evolve, expect to see new categories and innovative materials that refine and redefine men's underwear, bodywear and socks