Lucid

Gel Memory Foam Topper

Best for: Cheap foam with Full XL

Plain memory foam in 2″, 3″ or 4″ with three infusion choices and a Full XL size.

Good to know: Lucid sells a topper cover separately, and inches per size aren’t published.

Where to get it

  • lucidmattress.comQueen $70 (list, Queen 2-inch; 3-inch $99.99, 4-inch $119.99 (some infusions unavailable)) · checked Oct 20See price

We may earn a commission if you buy. Check the size and price on the seller’s site.

The facts

Type
Topper
Material
Ventilated memory foam infused with cooling gel, bamboo charcoal or lavender
Thickness
2″ or 3″ or 4″
Feel
Cooling Gel, Bamboo Charcoal, Lavender
Certified
CertiPUR-US
Trial and returns
30 nights
Warranty
3-year limited

Sizes

Twin, Twin XL, Full, Full XL, Queen, King, Cal King

What independent reviewers found

  • Sleepopolis Oct 2024

    Tester found the queen 3-inch gel topper gives deep contouring and pressure relief that suits side sleepers and works for many back sleepers; gel and ventilation holes help it avoid trapping heat. Not supportive enough for stomach sleepers.

    Tested the 3-inch height. Site discloses affiliate links.

    Read their review
  • Tom's Guide Jul 2025

    Over two weeks on a twin, the 4-inch version gave a hugging, soft feel with good shoulder and knee relief for side sleepers but let hips sink too far for back and stomach sleepers. Decent temperature control for the price; no cover or straps.

    Tested the 4-inch height. Site earns affiliate commissions.

    Read their review

Their testing, in our words. We don’t repeat their scores.

Price for every size

From the seller’s site on Oct 26. Prices change often, so check before you buy.

SizePrice
Full from (cheapest option: 2-Inch / Cooling Gel)$63See it
Queen from (cheapest option: 2-Inch / Cooling Gel)$70See it
Cal King from (cheapest option: 2-Inch / Cooling Gel)$95See it
King from (cheapest option: 2-Inch / Cooling Gel)$90See it

What owners say

Owners on the maker page mostly say it softens a hard bed and eases shoulder and back pressure, including in a camping trailer. A few found it spongy and warmer, the 4-inch too thick, or the bed now too high. One twin cracked after being rolled for storage; one buyer could not find the matching cover.

Liked

  • Pressure relief for side sleepers
  • Revives a too-firm mattress
  • Fair price

Mentioned

  • Some feel it sleeps warm
  • 4-inch too thick for some
  • Cover sold separately and out of stock

From Lucid product page (seller’s site). Summarized in our words.

Video reviews

Gel Memory Foam Topper · Review

Lucid Gel Memory Foam Mattress Topper Review - Best/Worst Qualities!

Sleepopolis · YouTube ↗

Where this information came from
  1. Trial, warranty, return window
  2. Sizes incl. Full XL, heights, infusions, prices on 2026-10-20

Checked Oct 22. Specs and terms can change.

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