To use these ski pants, simply put them on like regular pants. Make sure they fit well around your waist and legs. When skiing, they'll keep you warm and comfortable. For maintenance, it's best to follow the care instructions on the label. Usually, you can machine - wash them on a gentle cycle with cold water. Avoid using harsh detergents as they may damage the fabric. After washing, hang them to dry in a well - ventilated area. When not in use, store them in a cool, dry place to prevent any mildew or damage.