PEDS Women's Solids and Stripes Dress Crew Socks 4 Pairs, Assorted, Shoe Size/5-10 Solid Black Heather and Striped: 97% Polyester, 3% Lycra Spandex Imported Machine Wash Lycra fiber offers the ultimate in comfort and fit 4 pair pack Satisfaction guarantee-if you are not completely satisfied with your PEDS product, simply return them to us for replacement