Lichen Schlerosus Swim Shorts

Does anyone know where I can find reasonably priced waterproof shorts, so that I can get in the hot tub with my husband? I was thinking rubber or latex or silicone fabric without seams that could leak, but I can't really find anything that would properly seal the waist and thighs that doesn't require me to wear a full scuba drysuit that would eliminate the massage aspect of the hot tub.