You could also check into Ansty Pants. They come in larger sizes and are designed like a pull-up and have cool colors. Def use double hemp liners and microfiber but never put either next to his skin. They are far too drying and will irritate his skin. I do have some liners-maybe punkin butt? that have a soft top that you can put next to the skin and it seems help the absorbency for my daughter at night. I put that one next to her skin then a Thirsties Fab Fitted diapers and a hemp liner between the diaper and the cover.