• Mattress-Inabox

Mattress In A Box Review: Zinus Support Plus Pocket Spring Hybrid

Updated: May 15, 2021






For anyone looking for an extremely affordable, extremely firm and supportive new mattress in a box, the Zinus support plus pocket spring hybrid mattress may be the perfect option. This mattress is the firmest Zinus has ever produced, with extra springs added for increased support, firmness, and stability.


The CertiPUR-US certified foam that is used to create the top of this mattress is designed for durability and performance. Because of its stiffness, this mattress is ideal for anyone who likes to sleep on their stomach. It is available in 10 or 12 inches of thickness and every size from twin to king and includes a 10-year limited warranty.


Since this mattress in a box was designed as a hybrid mattress, the 10-inch model consists of 1¼ inches of soft, comfortable memory foam, 1 inch of high-density memory foam, and 7½ inches of Zinus’s iCoil pocket springs all held together by a quilted jacquard cover.


To add to the list of impressive engineering that has gone into creating this mattress, it also ships right to your door in a box much smaller than the mattress itself. The size of the box allows for ease of transport from the front door to the bedroom, where it can then be unboxed and expanded to its true size in under 72 hours.




Shipping a mattress to your door in a box like this makes getting your new bed and carrying it through your house as easy as possible, and it expands quickly to ensure you don’t just have an extra bed in your house for longer than you need to.



For consumers looking for a cheaper alternative to mattresses that can easily cost over $1000, this Zinus mattress in a box mattress is a great choice. Though it is listed at under $400 for a queen right now on Amazon.com, its features are on par with mattresses several hundred dollars more expensive than this one.




Its certified foam is free of chemicals harmful to ozone, traces of formaldehyde, and chemical flame retardants. The coils prevent sagging or bowing that can become an issue the longer you have your mattress. And the Support Plus model contains 10% more coils than any of the mattresses previously produced by Zinus.


What are customers saying about this mattress-in-a-box?


Reviewers tend to be blown away by the longevity and firmness of this mattress. One user of this mattress described their mattress as an “excellent purchase” and went on to say that their mattress was showing no signs of sagging or dips after one year of nightly use.


They also said that while the mattress is firm, it is not stiff or uncomfortable by any means. Because of the total 2½ inches of foam that tops this mattress, it is still soft enough to be comfortable for pretty much anyone.


Another Amazon reviewer marveled at the way this mattress seems to have helped with their chronic lower back pain. This user transitioned from a mattress pushing close to $2500 and was blown away by how much value this mattress gives you, at less than a quarter the price of their previous bed. This was not the only user that discussed how this mattress was able to help with their lower back pain. It seems that the extra springs and overall stiffness of the bed, while it takes some time to get used to, provide the extra support that leaves people’s backs feeling better than ever.


Nearly every review echoed some version of the same sentiment- that this bed is a fantastic value for the money. Most users seem to have transitioned from a very expensive memory foam mattress to this one. And all were impressed with the bed’s comfort, firmness, and overall value.


While reviewers were almost all on the same page, with an average Amazon rating of 4.4 stars out of 5, potential buyers had several questions asked by multiple people. One such question was regarding the firmness of the 10-inch model compared to the 12-inch model.


It turns out that the thicker the mattress, the softer it tends to be. So, for those looking for a firm mattress in a box with a bit more cushion, the thicker model may be perfect. But for anyone looking for a mattress that is as firm as possible, sticking with the slightly less robust 10-inch thick model would be the way to go.


Another common question was regarding the firmness of the sides. Some mattress sides just don’t support weight, but this one seems to do so with ease.


Several users confirmed that the side support is phenomenal, one saying they go as far as to sit on the edge of their bed to watch TV sometimes. The same user said that this mattress was the “firmest, most comfortable mattress I’ve ever slept on.”


If the Zinus Hybrid mattress in a box sound like the right mattress for you, get it now on Amazon.


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