We got one of these for my son and it says its medium but I think its more on the firm side. It's also on a huge sale right now. It normally is a $500 bed. https://www.amazon.com/Ashley-Furniture-Signature-Design-Mattress/dp/B0777K9RGX/ref=sr_1_5?crid=19PKVY9JBX3NU&dchild=1&keywords=ashley%2Bchime%2B12%2Binch%2Bmedium%2Bfirm%2Bmemory%2Bfoam%2Bmattress&qid=1624390428&sprefix=Ashley%2Bchime%2Caps%2C310&sr=8-5&th=1