These men's solid color pajama sets are super comfortable for daily wear. To put them on, simply button up the shirt and pull up the pants with the elastic waist. When choosing a size, always check the size chart as different suppliers may have different sizing. If it's Asian size, go for a bigger one. For maintenance, you can machine - wash them in cold water with like colors. Hang them to dry to keep the fabric in good shape. Avoid using bleach as it can damage the polyester material. Enjoy your cozy sleep in these great pajamas!