Ohhh, I actually bought one of the replacement foams. Here were the two I was considering, I bought the first of the two I linked and will be getting it tomorrow.
https://vrcover.com/product/htc-vive-memory-foam-padding-cot...
https://vrcover.com/product/htc-vive-memory-foam-padding-cot...
https://www.amazon.com/gp/product/B01LZZ3M8B/ref=oh_aui_deta...