Lightweight soft cotton blended fabric for all-day comfort. Ribbed non-slip texture. The durable material wicks away sweat and dries very quickly. The Locked-in Fit construction keeps the sock on the heel, so it doesn't need to be adjusted. Medium cushioning in the toe and heel for comfort and protection. The anti-odor technology reduces odor in the sock. The seamless toe construction provides excellent comfort and reduces irritation.