To use these Thessy Shorts, simply pull them on over your legs and adjust the elasticated waist for a comfortable fit. You can pair them with the Thessy Top for a coordinated look or wear them over your bikinis at the beach. As for maintenance, it's best to follow the care instructions on the label. Usually, a gentle machine wash in cold water and air - drying will keep them in great shape. Remember, since this is a final sale item, it can't be returned, so choose carefully.