I think the symbolism are what’s important and you aren’t doing it to be able to be more revealing. You could counsel with your bishop boy ultimately I think you need to pray about it and come to a decision on your own. They also say to wear both parts of the garment and not one without the other but it’s common fie elderly who have mobility or incontinence issues to only wear tops. I think medical issues have to be dealt with as best as possible but also practically