PEDS Women's Classic Solid Black and Black Patterned Crew Socks 4 Pairs Diagonal Block and Black: 78% Rayon, 20% Polyester, 2% Lycra Spandex; Lacy: 74% Rayon, 23% Polyester, 3% Lycra Spandex Imported Machine Wash Lycra fiber offers the ultimate in comfort and fit Constructed with rayon for extreme softness 4 pair pack