70% Ultraspun Polyester / 27% Nylon / 3% Spandex | Ultra Dri moisture management wicks away moisture for cooler, drier comfort | Reinforced toe and heel | Embedded arch support reduces foot fatigue | Overfoot ventilation panels | Half cushion comfort | Ribbed stay-up top for a secure, comfortable fit | Smooth toe seams for all day comfort | Lightweight construction | Made in the USA