No, underwear is worn at all times and you should only undress to the level that you are comfortable with. If there are any issues this can be discussed at the time of your treatment. You will be draped with large towels throughout the massage session, with only the part of the body being treated uncovered at one time.

Your therapist will leave the room to allow you to undress before your massage and at the end of your treatment to allow you to dress in privacy.