Cooling SleepViscoSoft

ViscoSoft 4-Inch Active Cooling Copper-Infused Memory Foam Topper (Queen)

By Lee · Researched & cited, not personally tested · Updated Jul 2026

Typical price · Jul 2026
$250-$300 (list ~$399, frequently discounted)
Best for
Hot sleepers who want maximum added cushioning and a topper that won't slide around the bed.
Key spec
4-inch dual-layer copper-infused memory foam (copper carries heat away); Drift-Cool washable cover with anti-slip backing and adjustable straps.
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Typical price · as of Jul 2026

$250-$300 (list ~$399, frequently discounted)

Approx.

Key spec

4-inch dual-layer copper-infused memory foam (copper carries heat away); Drift-Cool washable cover with anti-slip backing and adjustable straps.

Check price on Amazon

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A thick 4-inch copper-infused foam topper that pulls heat away as you sleep. The washable cover has anti-slip backing and straps so it stays put on the bed.

Quick verdict

A thick, plush 4-inch copper-infused topper that adds real cushioning while copper carries heat away from the surface. The included washable cover has anti-slip backing and straps so it stays put.

Best for Hot sleepers who want maximum added cushioning and a topper that won't slide around the bed.

What earns it the pick

  • 4-inch dual-layer copper-infused memory foam
  • Copper helps transfer heat away from the body
  • Drift-Cool washable cover
  • Anti-slip backing with adjustable straps
  • Queen size

The honest catch

What we’d want you to know before you buy.

  • 4 inches raises mattress height and may need deep-pocket sheets
  • Memory foam still retains some heat even with copper
  • Thick foam is heavy to move and slow to expand at first
  • New foam can have a mild odor that fades
The honest backbone

The Decision Receipt

Why it's here
A thick, plush 4-inch copper-infused topper that adds real cushioning while copper carries heat away from the surface. The included washable cover has anti-slip backing and straps so it stays put.
Who should buy it
Hot sleepers who want maximum added cushioning and a topper that won't slide around the bed.
The main tradeoff
4 inches raises mattress height and may need deep-pocket sheets

Built from the live Amazon listing, manufacturer specs, and owner-review patterns — not personally lab-tested. Prices are approximate; confirm the current price on Amazon.

Research trail

How every recommendation is built. We research, compare, and cite — we don’t take payment for placement, and we don’t claim to personally lab-test.

Our research process
  • Specs & manuals checked
  • Warranty & support reviewed
  • Owner-review patterns analyzed
  • Price history tracked
  • Independent reviews cross-referenced
  • Safety / recall checks where relevant
Researched & cited — not personally tested.Last reviewed Jul 2026Full methodology →

Decided it’s the one?

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