Using these pants is easy. Just put them on like you would with any regular pants. When it comes to sizing, make sure to check the size chart because different suppliers and brands have their own sizing. For a good fit, follow the size conversion example provided. As for care, you can machine - wash these cotton pants in cold water to keep the fabric in good condition. Avoid using bleach as it can damage the color and fabric. Hang them to dry to prevent shrinkage. Iron them on a low - heat setting if needed. Store them in a cool, dry place to maintain their quality over time.