To use these socks, simply put them on like you would with any regular socks. They are great for various outdoor activities such as running, hiking, or cycling. When it comes to care, you can machine - wash them with like colors on a gentle cycle. Avoid using bleach as it may damage the fabric. After washing, let them air - dry. Don't tumble - dry them to keep their shape and elasticity. These socks are designed to last, but following these simple steps will help extend their lifespan.