US
Tempur-Pedic

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

  • Size: King
  • Item Firmness Description: Medium Firm
  • Material Type: Memory Foam
  • Water Resistance Level: Not Water Resistant

Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.

ASIN: B07V5K36FLCategory: Mattress Toppers

Sizes Available

California KingFullKingQueenTwinTwin LongTwin XL

Need a different one? Pick on Amazon →

Overview

A 3-inch memory foam topper sized 79 by 75 inches for a king mattress, built to soften a too-firm mattress and ease pressure at the hips and shoulders. Tempur-Pedic markets it as a medium-firm cooling layer with a washable cover.

That framing matters because it is a comfort layer riding on top of an existing mattress, not a mattress replacement, and its effect depends heavily on how firm that base mattress already is.

  • 3-inch memory foam, sized for a king mattress
  • Marketed as a cooling, medium-firm layer
  • Washable cover
  • Meant to sit over an existing mattress, not replace it

Who it's for

Side sleepers and anyone with hip or shoulder pain on a mattress that is firmer than they would like, especially owners of firm hybrid or innerspring beds. Not the right buy for someone whose mattress is already soft, or who wants a thicker topper than 3 inches.

Pros and cons

Cons
  • Corner straps criticized as an awkward attachment method
  • One buyer denied a warranty claim over normal-wear stains
  • Some call the price high relative to the improvement

Performance notes

Several describe it settling in fully only after the topper has had a day to expand once unpacked. It stays attached with corner straps, which more than one reviewer found workable but not elegant.

Where it stands among mattress toppers

  • #1 most-searched brand and model of the 6 mattress toppers lines we track (by search demand, not sales).

From the specs of the 27 mattress toppers we list; not a test result.

Specifications

BrandTempur-Pedic
Dimensions & fit
SizeKing
Capacity & performance
Age Range DescriptionAdult
Construction & materials
Material TypeMemory Foam
ColorWhite
Fabric TypeTempur Material Memory Foam
Included components
Number of Packs1
Unit Count1
Included ComponentsStaytight Corner Straps
Other details
Item Firmness DescriptionMedium Firm
Water Resistance LevelNot Water Resistant
Closure TypeWhite
Number of Items1
Product Care InstructionsMachine Wash
Other Special Features of the ProductPremium
Item Type NameSoft Luxury Premium Foam, Washable Cover

Frequently asked questions

What size is this Tempur-Pedic topper?

It is a 3-inch-thick topper measuring 79 by 75 inches, sized for a king mattress.