Material: cottonElastic,fits women's shoe size:US 5-8.5Not too thick or too thin,suitable for Spring, Autumn, Home, Office, Every Day Use.High quality cotton provides a more stable and stretchy finish than basic weaves, breathable, absorbent, and deodorizing!Note:Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, there might be some slight differences in the color tone of the website's photo and the actual item.