Bedgear M5 Review: Split-Firmness Worth $4,000?

The Bedgear M5 Performance Mattress is a modular, split-firmness mattress priced at $3,999.99, built for couples who want each side of the bed set to a different feel. Its core idea is simple: interchangeable Independent Suspension Units let you pick 0.0 Firm, 1.0 Medium Firm, 2.0 Medium Plush or 3.0 Plush on your side, while your partner picks their own on theirs. Add a 14 inch profile, a React Comfort Layer, and cooling features including Air-X mesh, air vents and a Ver-Tex instant-cooling cover, and the M5 positions itself as a premium, personalized sleep system rather than a standard foam or spring mattress.

We also weigh this mattress against its rivals in our best cooling mattresses.

Our pick

Saatva Classic the simpler luxury alternative if you want three firmness levels without modular parts

• 365-night home trial
• Free white-glove delivery and old-mattress removal
• Lifetime warranty
• Three comfort levels: Plush Soft, Luxury Firm and Firm

Check today’s Saatva price →

Who is the Bedgear M5 Performance for?

The M5 Performance suits couples with genuinely different firmness needs, because each side of the mattress takes its own Independent Suspension Unit. It also suits shoppers who value being able to service a mattress over time: the cover zips off and washes, the foam insert spot cleans, and the suspension units come out so the inside of the chassis can be vacuumed. If you want a mattress you can configure, clean and reconfigure, this is the design to look at.

It is a strong match for people who already like the Bedgear ecosystem and its approach to airflow and cooling surfaces. The M5 builds on the M3, adding a taller 14 inch profile and an enhanced React Comfort Layer described by the brand as one that adapts to your every move. Shoppers who prefer a single, uniform feel across the whole bed, or who are working with a tighter budget, will find the M5’s modular approach and price point more mattress than they need.

What are the Bedgear M5 specs?

Here is the M5 Performance laid out in one place. The firmness options are chosen per side, and the size list covers split and split-head configurations alongside the standard sizes.

How does the split firmness system work?

The M5’s split firmness works through four interchangeable Independent Suspension Units, numbered 0.0 through 3.0. You choose a unit for the left side and a separate unit for the right side, so one sleeper can be on 0.0 Firm while the other rests on 3.0 Plush in the same mattress. This is the M5’s central selling point: firmness is a part you swap, not a fixed property of the whole bed.

The units are also a service feature. Because they are removable, you can take them out to clean inside the chassis, and you can change your firmness later by swapping units rather than replacing the mattress. The four options span the firmness range from Firm to Plush, with Medium Firm and Medium Plush in between, so most couples should be able to find a pairing that suits both of them.

What is the M5 built from?

The M5 Performance stands 14 inches tall and is built in three parts: a comfort layer, an Independent Suspension Unit, and a high-density foam base. The comfort layer is an enhanced React Comfort Layer, and the whole assembly sits in a chassis designed so the top cover, comfort layer and suspension units can all be removed for periodic deep cleaning. Bedgear suggests vacuuming out the inside of the chassis to combat dust once those layers are out of the way.

Care is straightforward and clearly split. The removable cover is machine washable, while the foam insert is spot clean only. That distinction matters for long-term upkeep: you can launder the surface you sleep on, but the foam itself needs gentle spot treatment. The mattress is adjustable base compatible, so it can move onto an adjustable frame without issue.

How does the M5 handle cooling?

Cooling is a named feature of the M5 Performance, built from three elements the brand lists: Air-X mesh, air vents, and a Ver-Tex instant-cooling cover. Together these make airflow and surface temperature part of the mattress’s design rather than an afterthought, and the Ver-Tex cover is specifically described as instant-cooling, meaning the cooling effect is at the surface where skin meets mattress.

For shoppers who sleep warm, this combination is the M5’s clearest differentiator against a plain foam mattress with no dedicated cooling surface. The washable cover doubles as the cooling layer, so the feature that keeps you cool is the same one you can unzip and launder.

What does the Bedgear M5 cost and what do the policies cover?

The M5 Performance Mattress is listed at $3,999.99. Bedgear offers free shipping on orders of $300 or more across the 48 contiguous United States, and financing is available. A tree is planted for every purchase, and the brand points to 125,000 plus 5-star reviews across its range.

Returns carry a $199 fee, which is worth factoring into your decision before ordering. The mattress is covered by a 10-Year Limited Manufacturer’s Warranty when purchased from the Bedgear website. Note that the product page showed all listed variants as sold out at the time of writing, so availability is worth confirming before you plan around a delivery date.

What sizes and weights does the M5 come in?

The M5 is offered in Twin XL, Queen, King, Cal King, Split King, three split-head sizes plus Split Cal King. Dimensions and shipping weights vary meaningfully by size, and the suspension units ship in a separate box from the chassis and comfort layer.

The second box holds the Independent Suspensions, and its weight depends on which firmness units you select. On a Queen, for example, the two suspension boxes range from 20 to 30 lbs each depending on the unit chosen, while on a King they range from 20 to 40 lbs each.

Who should NOT buy the Bedgear M5?

Skip the M5 if you want a simple, one-firmness mattress at a mainstream price. The modular suspension system, split-side configuration and cooling cover are features that only pay off if you will actually use them, and at $3,999.99 you are paying for that flexibility. Shoppers who sleep alone and want one consistent feel, or couples who agree on firmness, will not get the full value from a split configuration.

Also consider the return terms before ordering. A $199 return fee means changing your mind is not free, so it is worth being confident about the firmness you select. If you prefer a long, pressure-free trial with returns, look at the alternative below instead.

How does the M5 compare to the Saatva Classic?

The Saatva Classic is the natural comparison for a shopper weighing the M5 against a more conventional premium mattress. Both are premium-priced, but they solve the firmness question differently: the M5 swaps internal units per side, while the Saatva Classic offers three fixed comfort levels across the whole mattress.

Who should buy the Bedgear M5: couples who need genuinely different firmness on each side and want a mattress they can open up, clean and reconfigure over time. The per-side suspension system is the reason to choose it, and the cooling cover and washable surfaces reinforce that case for sleepers who run warm and value maintenance access.

Who should buy the Saatva Classic: shoppers who want a premium mattress with a long trial, free white-glove delivery with old mattress removal, and a lifetime warranty, without paying for modular internals. Its three comfort levels cover the same firmness territory for most sleepers, and the chiropractor-endorsed Lumbar Zone support and dual-coil build address back and joint comfort directly. If your firmness needs are straightforward and you value trial length and delivery service over per-side adjustability, the Saatva Classic is the better fit.

World Sleep Almanac score: 7.6/10

World Sleep Almanac score: 7.6/10. This is an editorial rating based on five criteria: price at comparable size, trial and return terms, warranty length, materials and construction, and publicly stated customer review volume. The M5 scores well on materials and construction for its modular, serviceable design and named cooling features, and on customer review volume with 125,000 plus 5-star reviews cited by the brand. It loses points on price at $3,999.99, on the $199 return fee in place of a free trial, and on a 10-year warranty where competitors at this tier offer longer coverage. The score reflects the documented specification sheet, not a physical test.

A useful companion to this page: our Bedgear H Performance review.

Frequently asked questions

Can I change the firmness of the Bedgear M5 after buying it?

Yes, in principle. The Independent Suspension Units are interchangeable by design, so firmness is adjusted by swapping the units rather than replacing the mattress. Each side takes its own unit, chosen from 0.0 Firm, 1.0 Medium Firm, 2.0 Medium Plush or 3.0 Plush, and the units can be removed from the chassis. Whether a replacement or additional unit is available as a separate purchase is worth confirming with Bedgear directly.

Is the Bedgear M5 cover really washable?

Yes. The cover zips off and is machine washable. The foam insert underneath is spot clean only, so you launder the cover and spot treat the foam. For deeper cleaning, the top cover, comfort layer and suspension units all come out so you can vacuum the inside of the chassis, which Bedgear recommends periodically to combat dust.

Does the M5 work on an adjustable base?

Yes, the M5 Performance is adjustable base compatible. Its split and split-head size options, including Split King and the Split Head configurations, are designed for setups where the two halves of the bed move independently, which pairs naturally with an adjustable frame.

What happens if I want to return the M5?

Bedgear accepts returns of the M5 for a $199 fee. The return fee is $199. Factor it into your budget alongside the $3,999.99 purchase price when you decide how confident you are in your firmness selection.

Reviewed by the World Sleep Almanac editorial team. Updated 2026.