Cotton,Nylon,SpandexMade in USAThese Thorlos? Lite Running Mini Crew Single Pair of socks are perfect for runners with minor or no foot issues.Sold as a one-pair packTHOR?WICK? COOL:THOR?WICK? COOL features a unique four-channeled cross section that produces a soft, cotton-like yarn with excellent moisture movement properties. Moisture movement is enhanced by the wicking action the channels of the fiber provide. Gives outstanding blister protection and excellent moisture management during high perspiration activities and in hot climates.Quarter length sits above ankle.Cushioned arch for a better fit. Low profile toe seam. Padding in the ball and heel absorbs shock and is specifically engineered for protection and comfort while running. Color block design. Branding on the back of the cuffs. 70% THOR?WICK? COOL, 27% nylon, 3% spandex. Machine wash, tumble dry. Made in the USA.