The soft top of your jeep needs as much focus as you put on your jeep. The soft tops are made of fabric, canvas or vinyl that needs regular maintenance if you want to use it for along time. Only washing with water is not enough to take proper care of those.
The soft top keeps you safe from the direct heat of the sun, rain, outside dust and other particles. In exchange, you should take care of that. As it remains exposed to the scorching heat of the sun or heavy rain for a long time, washing with only water makes it dry and broken. A dry and broken soft top won’t look good with your jeep that you wash regularly. You’ll have to take care of the soft top too.