Firm mattresses offer a supportive sleep surface that you lay on top of rather than sink into. And they are particularly good for back and stomach sleepers, and anyone with a heavier body weight. We've found a fantastic deal, not just on a firm mattress, but on a king size so you can treat yourself to some extra space. Right now, you can save $90 on a king size Serta Sleeptrue Firm 11" Hybrid mattress at Amazon, bringing the price to just $509.15 (was $599).
Our best mattress picks of the year come with exceptional comfort, support and value for money, but rarely do we see a top-performing king size mattress drop this low in price. The Serta combines a custom Support Coil System with cooling gel memory for a comfortable night's sleep. This memory foam is structured into 3 zoned areas for maximum back support, making it a great choice for sleepers with back pain.
Third-party retailers often offer great value during major sale events like the current Cyber Monday mattress deals, and we've shopped around for the best value you can get. You won't find this mattress anywhere cheaper than Amazon right now. Here's why it's a great deal...
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