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ViscoSoft 3 Inch Memory Foam Mattress Topper (Select High Density) vs Tempur-Pedic TEMPUR-Adapt 3-Inch Mattress Topper
Which one has the downsides you can live with?
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The short answer
ViscoSoft 3 Inch Memory Foam Mattress Topper (Select High Density) ranks higher (#1 vs #3 of 8) and scores better on stays in place. Tempur-Pedic TEMPUR-Adapt 3-Inch Mattress Topper wins on durability.
The biggest complaint about the ViscoSoft 3 Inch Memory Foam Mattress Topper (Select High Density) is too firm for some, too sinky for others; for the Tempur-Pedic TEMPUR-Adapt 3-Inch Mattress Topper it's no trial and no returns. Pick the one whose catch bothers you less.
Side by side
| ViscoSoft 3 Inch Memory Foam Mattress Topper (Select High Density) | Tempur-Pedic TEMPUR-Adapt 3-Inch Mattress Topper | |
|---|---|---|
| Rank in mattress toppers | #1 | #3 |
| Price tier | $$ | $$$ |
| Type | Memory foam | Memory foam |
| Amazon 1–2★ share | 8% | 16% |
| Overall score | 3.6 | 3.7 |
| Comfort | 4.0 | 4.0 |
| Cooling | 3.5 | 3.5 |
| Smell & off-gassing | 3.5 | 3.5 |
| Stays in place | 4.0 | 3.5 |
| Durability | 3.0 | 4.0 |
Price tiers: $ under $100 · $$ $100–300 · $$$ over $300. Highlighted = clearly better (a score gap of 0.3 or more, or a 1–2★ share at least 3 points lower). Scores are explained, with sources, on each product's page.
Top complaints
ViscoSoft 3 Inch Memory Foam Mattress Topper (Select High Density)
- Too firm for some, too sinky for others
About half of Wirecutter's testers described it as too firm and not especially soft or plush. Amazon's summary calls softness and fit mixed: some owners find it too squishy or say they sink into it too much.
- Memory foam can hold heat
Wirecutter says heat retention is an issue with all memory-foam toppers, including this one, though the ventilated cover may help, and it points hot sleepers to latex instead.
Source: Wirecutter - Off-gassing smell at first
Sleep Foundation's full review noted a noticeable off-gassing smell that should fade, and suggested airing it out for a few days if you're sensitive. Amazon's summary says most owners notice no odor.
Tempur-Pedic TEMPUR-Adapt 3-Inch Mattress Topper
- No trial and no returns
Tom's Guide and Sleep Foundation say there is no trial and all sales are final; CNN says toppers can only be returned if damaged or defective. Wirecutter recommends its returnable ViscoSoft pick instead unless you already know you like the Tempur feel.
- Deep sink that some hate
Wirecutter calls the quicksand-like sink something testers love or hate; CNN's tester slept well, but his wife likened it to sleeping in a ditch. Tom's Guide says it's too soft for back and stomach sleepers and people over 250 lb. Amazon owners are mixed, with some saying it sinks too much.
- Some owners report sliding and warmth
Amazon's summary reports stability issues, with the topper sliding around and not staying in place, and split opinions on temperature. Tom's Guide found the standard version slept slightly warm and notes owner reports of slipping despite the straps.
Who should pick which
Pick the ViscoSoft 3 Inch Memory Foam Mattress Topper (Select High Density) if
Back and stomach sleepers who want mild cradling
Couples who want little motion transfer
Choosing your thickness (2, 3 or 4 inches)
Skip it if: You want a soft, pillowy feel; You sleep very hot; You are a stomach sleeper over 230 lb
Pick the Tempur-Pedic TEMPUR-Adapt 3-Inch Mattress Topper if
Light or average-weight side sleepers
Softening a too-firm bed
A long (10-year) warranty
Skip it if: You want the option to return it; You sleep on your back or stomach, or weigh over 250 lb; You sleep hot and are buying the standard cover
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