Sleep Master Ultima Comfort Memory Foam Mattress

Zinus, a South Korean company is a pioneer in offering comfortable innovative memory foam mattresses at affordable prices. Their Sleep Master Memory Foam mattresses allow you to rest easy. This article includes the complete details about Sleep Master Ultima Comfort Memory Foam 6 Inch Mattress.

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The 6 inch Sleep Master Ultima Comfort Memory Foam Mattress is a stylish and excellent memory foam mattress that will give you a perfect sleep. It provides adjustable comfort with a soft memory foam layer that molds to your natural body shape. The full support high density thick foam base layer offers durability and steadiness. This is one of the finest and most affordable mattresses available in the market. Its sleek design and comforting features makes it lovable amongst its users. It’s perfectly engineered design will give you desired comfort at a relatively low price.

When you lie down, this mattress will not push you back immediately. Rather, it lets you slightly sink in to take the pressure off of your shoulders, hips, and feet. Then the High-density Base Support Foam gently pushes back from below. Now, you should feel more relaxed and firmly supported.

Unique Features Of Sleep Master Ultima Comfort Memory Foam 6 Inch Mattress

  • Its durable memory foam and High-density Base Support offers comfort and support for a good night sleep.
  • This mattress has 2 layers – 1.5 inches Memory Foam and 4.5 inches High-density Base Support Foam
  • It cover is made using soft knitted fabric.
  • It contains only superior quality of foam which is certiPUR – US Certified for durability, performance, and content.
  • The BioFoam natural plant oil partially replaces petroleum to keep this product fresh
  • Their patented technology efficiently compresses, rolls and ships the mattress in a box to easily deliver at your door
  • It is available in twin, full, queen, king and twin XL sizes
  • This product dimensions are 75 x 6 x 39 inches
  • Depending on size, the price may vary from $100.00 – $180.00.
  • For a softer feel, this mattress is even available in 10 inch, 12 inch, and 14 inch profiles.
  • It comes with 10 year limited warranty

After arrival, unpack the mattress package within 72 hours and allow it to rest for 48 hours to return the mattress to its original, plush shape.

Customer Reviews Sleep Master Ultima Comfort Memory Foam

The Sleep Master Ultima Comfort Memory Foam 6 Inch Mattress has received 4.5 out of 5 stars on Amazon. There are many happy users of this 6 inch mattress but there are also few customers who are unhappy with its comfort.

Positive Customer Reviews

One customer is using this mattress for about 2 years and found it to be comfortable and helps him sleep amazingly. Another user says this is a cheap and reasonably comfortable mattress for the price paid. It arrives in a nicely packed small box that is easy to move. Another customer found no smell from the new mattress and it expanded to its full size after several hours.

Negative Customer Reviews

After reading many positive reviews about this product, one customer replaced his old mattress with Sleep Master Ultima Comfort. In the first few weeks, the mattress was very comfortable, but after about 2 months it started giving him back pains. Another user says the 6-inch has absolutely no support, and it started killing his back. One side sleeper says the middle portion of his body just slips into the mattress and found it to be very uncomfortable.

Frequently Asked Questions

How would you rate the firmness level of this mattress? Soft is 1 and 10 is firm.

The firmness level of this mattress is medium 6/10.

Does this mattress emit an unpleasant chemical smell?

Yes, initially chemical smell comes but it goes away within a day or two.

Can I order to build a custom size memory foam mattress?

No, the company does not manufacturers custom size mattresses.


The Sleep Master Ultima Comfort 6 Inch Memory Foam Mattress by Zinus is one of the best priced products compared to similar brands. It is a basic mattress which can easily fit as a mattress topper. Try this affordable, pain-free solution for your sleeping concerns.

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Zinus Sleep Master Ultima Comfort Memory Foam 6 Inch Mattress
$ 97
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