https://www.etsy.com/listing/192148130/adult-fitted-cloth-waddle-diaper?ga_order=most_relevant&ga_search_type=all&ga_view_type=gallery&ga_search_query=adult baby diaper&ref=sr_gallery_19
This lady is pretty cool, she will customise the top cover so it isn't red/pink checker. I ordered some other stuff from her in the past and it was pretty painless. Perhaps reach out and say you would like more layers and see what she can do for you.