Detail Constructed with longevity in mind, these socks are designed to maintain their shape and effectiveness, even after many washes. Experience the perfect combination of style, comfort, and functionality with our liner socks, no matter what your day holds.. Fabric Content Top-> NYLON 90%, SPANDEX 10% , Bottom -> Cotton 94%, SPANDEX 6% Care Detail For optimal care of your socks, we recommend washing with colors. Machine wash cold and tumble dry low to maintain their quality and longevity. Avoid using bleach and high heat settings to preserve the fabric and colors.