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Tempurpedic Flex Supreme Mattress Review

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The name Tempurpedic is synonymous with the world of memory foam. The company has been churning out its popular line of cloudlike mattresses for over two decades now and shows no signs of stopping any time soon.

Enter the Tempur-Flex Supreme, one of the brand’s more recent innovations, which fuses the pressure relief of memory foam with the supportive oomph of innerspring for an all-encompassing hybrid sleeping experience.

Given the intriguing combo of materials used in this baby, I was eager to try it out for myself to see just how comfortable it truly is.

Continue reading below for my full review of the Tempur-Flex Supreme mattress. Don’t have time to read it all? Click here to skip to the bottom and check out my review summary.

See how the Tempur-Flex Supreme ranks on my best hybrid mattress page!

CONSTRUCTION

The Tempur-Flex Supreme features a hybrid construction, which means it combines the best of both innerspring and memory foam technology. Here, an interior section of pocketed coils is surrounded by layers of foam, and the interplay between the two materials is what provides the mattress with its support and pressure relief.

Now let’s dive into each of these different layers.

Cover – The cover is made of a soft polyester spandex blend. It’s stretchy, but snaps back into place quickly, which means it won’t bunch up when you’re moving around at night. An added bonus is that it’s removable by zipper, so you’ll be able to throw it in the washer with the rest of your bedding.

TEMPURFlex Cover View

Close up of the cover of the TEMPUR-Flex Supreme

Comfort Layer – Built with 2” of memory foam, the comfort layer is soft to the touch and slow to respond to pressure. True to the material, this layer will contour snugly to the body and provide the sleeper with some cozy pressure relief.

Compression Layer – Below the comfort layer we find the Tempur-Flex’s compression layer, which is comprised of an inch of memory foam. This section is a bit firmer than the top layer, but works in tandem with its upstairs neighbor to produce the classic sinking feeling associated with memory foam. This layer also acts as a transition to the wrapped coils below.

Support Layer – Speaking of springs, the core of this mattress is constructed with 6” of pocketed coils. They’re individually wrapped, so they move independently of one another—this flexibility allows the body contouring of the memory foam to extend throughout the bed. The bounce of the springs also counteracts some of the sinkage of the foam, so you’re not going to feel stuck in the mattress. I should note that these coils are surrounded by polyfoam edge support, which contains them and reinforces the frame at the sides.

Foundation Layer – The base is made of 2.5” of high-density polyfoam. This layer acts as the foundation of the bed, giving it its shape and cradling the bouncy coils.

TEMPURFlex Construction

Showing the layers of the TEMPUR-Flex Supreme

FIRMNESS

After taking a look at the construction of the Tempur-Flex Supreme, let’s chat about its firmness and feel. I started off by applying some light hand pressure to the mattress and was immediately greeted by the memory foam, which gently hugged my hand. As I pressed in further, I could feel the bounce of the coils, a supportive feature that lifted me out of the bed.

TEMPURFlex Hand Press

Pressing into the TEMPUR-Flex Supreme

At this point I’d like to note that people of different body types and shapes will feel firmness differently. Rather than giving just my opinion on the overall firmness level of the Tempur-Flex Supreme, I enlisted three other people to give their opinion as well. This will give you a better sense of the firmness range you can expect from the mattress.

TEMPURFlex Firmness

Showing the firmness ratings of the TEMPUR-Flex Supreme from four testers

As you can see in the graph, my testers reported ratings in the 6-7.5 range with an average firmness score of 6.6, a mere hair above the 6.5 industry standard for medium firmness. This ranking is consistent across most hybrid mattress models, which borrow from the cushiony goodness of memory foam and the buoyancy of steel coils.

I personally gave the Tempur-Flex Supreme a firmness ranking of 6, which I’d categorize as a medium firmness. You’re going to get the pressure relief benefits of memory foam without that “stuck in the mattress” feel that you sometimes get from the material, thanks to the sturdy coils in the core. These bad boys are going to support you and make you feel like you’re sleeping “on top” of the bed as opposed to in it. This works for a wide range of sleepers, especially those who snooze in multiple positions.

PRESSURE MAP

Rather than just describing the feel of the Tempur-Flex Supreme to you, I wanted to give a visual representation of where someone may feel pressure points form while lying on it. To do this, I placed a pressure map on top of the mattress and lied on my back, side and stomach. You can see the results on the image below where pressure is represented from blue (low pressure) to red (high pressure).

TEMPURFlex Pressure Map

Pressure map results for three positions on the TEMPUR-Flex Supreme

Back – As you can see in the graphic above, I felt relatively low pressure while lying on my back. The memory foam provided quality pressure relief to my lumbar region and the wrapped coils allowed me to roll around easily.

Side – Turning to my side, I felt some pressure at my shoulders and hips, but not in an uncomfortable way. While a traditional innerspring mattress isn’t always ideal for a side sleeper, the added bonus of memory foam in this hybrid helps to alleviate any discomfort.

Stomach – Switching to my stomach, I felt nicely supported and didn’t experience any awkward pressure. The springs helped to raise my hips out of the mattress and kept my back from collapsing into an unhealthy shape.

Hip and shoulder pain? Check out my top picks for side sleepers.

MOTION TRANSFER

If you plan on sharing your bed with a partner, you’ll want to know what it’ll feel like when the other person crawls out of bed in the morning or tosses around at night. This next test is intended to demonstrate the intensity of motion that is detectable from one side of the mattress to the other.

To illustrate this motion transfer, I dropped a 10 lb. steel ball from heights of 4 inches, 8 inches and 12 inches and measured the disturbance it caused: the bigger the lines, the bigger the disturbance.

TEMPURFlex Motion Transfer

Disturbance measured on the TEMPUR-Flex Supreme for drops from 4, 8 and 12 inches

The Tempur-Flex Supreme shows a small amount of disturbance for the 4 inch drop, which simulates someone rolling around and adjusting their position on the other side of the bed. While the 8 and 12 inch drops show slightly larger spikes, I’d say these are some of the least dramatic motion transfer readings I’ve ever seen. Though innerspring mattresses aren’t normally the best at containing motion, the foam outer layers help to dissipate and control any movement, making this a fantastic bed for couples.

SINKAGE TEST

When buying a new bed, most people want to know whether they’ll feel like they’re sinking “into” the mattress or laying “on top” of it. To visualize this sinkage, I placed four balls of varying sizes and densities (a 6 lb medicine ball, a 10 lb steel ball, a 50 lb medicine ball, and a 100 lb medicine ball) on the mattress and measured how much they compressed the surface.

The variations in size, weight and density are meant to simulate different body parts and different sized sleepers.

  • 6 lb medicine ball: 1.5 inches of sinkage.
  • 10 lb steel ball: 2.5 inches of sinkage.
  • 50 lb medicine ball: 4.5 inches of sinkage.
  • 100 lb medicine ball: 6 inches of sinkage.

While you’ll definitely experience some slight sinkage from the memory foam comfort and compression layers, the interior coil structure offers enough support to leave you feeling like you’re sleeping “on top” of the mattress as opposed to in it. This is great for most sleepers, especially if you sleep primarily on your back or stomach.

EDGE SUPPORT

If you’re going to share your bed with a partner and need to use the entire surface area of the mattress, it’s going to be crucial for you to consider the amount of edge support it’ll provide.

TEMPURFlex Edge Support Back

On my back near the edge of the TEMPUR-Flex Supreme

Lying on my back, I felt super supported by the Tempur-Flex Supreme. The high-density polyfoam does a great job standing up to pressure, so you’re going to feel as solid in the center of the mattress as you do nearer the edge.

TEMPURFlex Edge Support Side

On my side near the edge of the TEMPUR-Flex Supreme

I found that it was easy to roll around and change positions, most likely because of the supportive coils in the core. As I rolled onto my side, the mattress experienced some light compression, but nothing major.

TEMPURFlex Edge Support Seated

Showing the edge support as I sit on the side of the TEMPUR-Flex Supreme

In this position, I wanted to simulate what it would feel like to be sitting on the bed in the morning when you’re lacing up your shoes and getting ready for the day. The Tempur-Flex Supreme performed well on this test as I didn’t feel like I was sinking into the bed at all.

BASIC INFORMATION

TEMPURFlex Corner View

Corner view of the TEMPUR-Flex Supreme

  • Sleep Trial: 90 days.
  • Warranty: 10 years.
  • Shipping: Free shipping, usually delivered in 1-2 weeks.

Just getting started? Begin your mattress search with my mattress reviews breakdown.

SIZE AND PRICING INFORMATION

If you’re convinced the Tempur-Flex Supreme is the right mattress for you, the size and pricing information for the mattress are below. Please note that these prices reflect standard pricing, but coupons are often available.

SizeDimensionsWeightPrice
Twin38" x 74" x 11.5"69 lbs$2,299
Twin Long38" x 80" x 11.5"74 lbs$2,299
Double53" x 74" x 11.5"92 lbs$2,649
Queen60" x 80" x 11.5"111 lbs$2,799
King76" x 80" x 11.5"138 lbs$3,499
Split King38"" x 80" x 11.5" (x2)148 lbs$4,598
California King72" x 84" x 11.5"137 lbs$3,499
Split California King36" x 84" x 11.5" (x2)146 lbs$4,598

IS THE TEMPUR-FLEX SUPREME MATTRESS RIGHT FOR YOU?

TEMPURFlex Front View

Front view of the TEMPUR-Flex Supreme

Now that we’ve taken a closer look at the Tempur-Flex Supreme mattress, it’s time to discuss who it’d be a good fit for.

  • Looking for a hybrid mattress – As I’ve outlined above, there are a lot of things to enjoy in a hybrid mattress, namely that you get both the pressure relief of memory foam and the support of innerspring. If you’re eager to try out that feel, this mattress would be great for you.
  • Sleep in multiple positions – Given the combo of materials used, this bed is great for sleepers who like to sleep in multiple positions. You’ll feel comfortable on your side because of the memory foam top layers and supported on your back because of the individually wrapped coil interior structure.
  • More comfortable with big name company – Tempurpedic has a strong reputation in the mattress world, so if you’re more comfortable going with a name you’ve heard of, the Tempur-Flex Supreme could be the perfect pick.

For more information on the Tempur-Flex Supreme, go here!

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Logan Block

Logan Block

Logan is the Director of Content at Sleepopolis and the main mattress man around these parts. A Buffalo native, Logan spent several years working in project management in both Boston and New York City. In his free time Logan likes walking his dog, lifting weights, and searching for the best cheeseburger in New York City.

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