Injinji Unisex Hidden 3-Pair Pack Lycra^Nylon^Polyester Imported Stay ahead of the pack with the Hidden 3-Pair Pack by Injinji&reg;. Toe style sock provides excellent moisture management and blister prevention. Original weight sock for moderate interface performance for everyday use. COOLMAX&reg; material is an enhanced polyester fiber that provides excellent moisture management and comfort. Low-cut footie style sock. Materials: 75% COOLMAX&reg; polyester, 20% nylon, 5% Lycra. Sold in a three-pair pack. Machine washable. Imported. Machine wash warm on gentle. Line dry.