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Product guide

Tempur-Pedic TEMPUR-Adapt + Cooling King 3-Inch Mattress Topper

Tempur-Pedic TEMPUR-Adapt + Cooling is a 3-inch King memory foam mattress topper with a machine-washable cover and Staytight corner straps. Its medium-firm listing description and cooling claims may appeal to buyers wanting added cushioning, but customer feedback is mixed on heat, fit, and softness.

At a glance

  • The listing gives dimensions of 79 x 75 x 3 for a King mattress.
  • The product description says the foam is designed to adapt to body shape and reduce motion transfer.
  • The removable cover is described as breathable, cool-to-the-touch, and machine washable.
  • Staytight corner straps are listed to help secure the topper to the mattress.
Price
$349.00Save 31%

Reference price: $509.00

Price checked: Nov 14, 2026

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Often bought together

Pros and cons

Pros

  • Three-inch memory foam provides a substantial comfort layer over an existing mattress.
  • A removable, machine-washable cover makes routine cleaning more manageable.
  • Corner straps are intended to help keep the topper in place.

Cons

  • The listed material is not water resistant, so it should not be treated as a spill barrier.
  • Cooling is not assured in practice. Customer feedback includes reports of both cooling and feeling too warm.

Technical specifications

10 specifications
Identity and size
BrandTempur-Pedic
ModelMattress Topper
SizeKing
Listed dimensions79 x 75 x 3
Materials and care
Material listedTempur Material Memory Foam
Water resistance listedNot Water Resistant
Care instructionsMachine Wash
ColorWhite
Fit and feel
Firmness descriptionMedium Firm
Included component listedStaytight corner straps

What to know before buying

Listing details to confirm

The listing calls the topper medium and medium-firm in different places, so treat the firmness description as uncertain. Cooling is a manufacturer claim, including a claim of up to 8 degrees cooler, not a guaranteed result. Customer feedback also varies on softness, fit, and heat. Confirm suitability for your mattress and preferred feel before buying.

What’s in the box

Included
  • Staytight corner straps

Who is it for?

A good fit for

  • King-bed owners seeking a three-inch memory foam comfort layer.
  • Buyers who want a removable cover that can be machine washed.
  • People who prefer a medium-firm feel and are interested in motion-transfer reduction claims.

Less suited to

  • Anyone needing a water-resistant layer for spills.
  • Buyers who require consistently cool sleeping conditions or a precisely predictable firmness.
Tempur-Pedic TEMPUR-Adapt + Cooling King 3-Inch Mattress Topper · photo 2
Additional product photo 2

Customer reviews on Amazon

4.1 / 5 · 12,532 ratings
  • 5 stars64%64%
  • 4 stars12%12%
  • 3 stars8%8%
  • 2 stars5%5%
  • 1 star11%11%

Customer feedback highlights comfort, sleep quality, and perceived pain relief, including reports of improved back comfort. Experiences are not uniform: some describe a supportive, comfortable feel, while others find it too squishy or report fit problems. Cooling and value opinions also differ. This matters because the topper is listed as three-inch memory foam with a medium-firm description and a cooling cover claim, but those specifications do not ensure an individual fit or temperature preference.

Positive themes

  • Customers report comfort, improved sleep quality, and perceived pain relief.

Mixed feedback

  • Some customers appreciate the softness and fit, while others say it feels too squishy or does not fit properly.
  • Customer views differ on whether the topper feels cooling or too warm.
  • Customers disagree about whether the price feels worthwhile.

Frequently asked questions

What size is this topper?

It is listed as King, with dimensions of 79 x 75 x 3.

Can the cover be washed?

The product description says the cover is removable and machine washable. The listed care instruction is Machine Wash.

Does it have a firm or medium feel?

The title describes it as medium while the details list Medium Firm. The listing is inconsistent, so buyers should not rely on one precise firmness label.

Does it keep every sleeper cool?

No cooling outcome is assured. The listing claims a cool-to-the-touch cover and up to 8 degrees cooler, while customer feedback reports mixed experiences with heat.

Tempur-Pedic TEMPUR-Adapt + Cooling King 3-Inch Mattress Topper · photo 3
Additional product photo 3

Alternative options

Product details in Markdown