Sealy
For the comfort of the shopper, the company offers three firmness levels: Medium, Plush, and Extra Firm. The Plush is a medium-firm, soft mattress that molds to your body. The Medium model is supportive and will allow heat to not accumulate. The Extra Firm model is the firmest and is recommended for those who prefer a firmer mattress. The Serta Sleepscape 12 in. mattress is a popular all-foam mattress. There are some complaints about the mattress' sagging. Before you make a purchase, be sure to review its pros and cons.