Featuring a Charged Cotton traction footbed, the UA Performance Crew Sock delivers the comfort of cotton, but dries much faster for all-day wear. Traction Control supports agility. Signature Moisture Transport System wicks sweat away from the body. ArmourBlock Anti-Odor technology prevents the growth of odor causing microbes. Comfort Top delivers a secure, comfortable fit. Embedded arch support reduces foot fatigue. Seamless toe and contoured "Y" heel for the perfect, comfortable fit. Polyester/Cotton/Nylon/Spandex. Imported.