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Images: Nectar. Shown size and configuration may vary.

Nectar

Ultra Memory Foam

Name: Nectar Ultra Memory Foam
Brand: Nectar

Best for: Deepest Nectar foam bed

A 15″ medium-soft memory foam bed with zoned support and phase-change cooling.

Good to know: The Full is listed at 54″ wide; most other Nectar models list 53″.

Type: Memory foam
Height: 15″
Sizes: 6 ready-made
Certified: CertiPUR-US

Pick it if

You sleep on your side
You sleep on your back
You’re a heavier person
You share the bed

Skip it if

You need firm edges

From independent reviewers’ findings, credited below.

Your size

38 × 75 in · 15″ tall

Where to get it

nectarsleep.comQueen $1,999 · checked Oct 16 See price
For heavier people · Split kingReviewers: Worked for heavier side sleepers; Split King Lists

Returns: 365 nights from delivery; an opened mattress can be returned no earlier than 30 days after delivery Details

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

The short version

Worth a look if

Deepest Nectar foam bed

Good

A 15″ medium-soft memory foam bed with zoned support and phase-change cooling.
Trial: 365 nights from delivery; an opened mattress can be returned no earlier than 30 days after delivery
Height: 15″
Sizes: Twin, Twin XL, Full, Queen, King, Cal King, Split King

Think about

The Full is listed at 54″ wide; most other Nectar models list 53″.
No owner reviews we could verify yet
Standard sizes only: no RV, odd or custom sizes listed

Based on the maker’s published specs and terms, and the owner reviews linked below. We haven’t slept on it. Something wrong? Tell us.

What owners say

No owner reviews we can verify yet A small set of real reviews, each linked to its source. Not a star rating.

No owner feedback we can use yet.

What people liked

No supported praise summary in the sample.

What to weigh up

No substantive concern verified in this small sample. This is a gap in the evidence, not proof of no drawbacks.

What independent reviewers found

NapLab (May 2026): Lab tests found a medium all-foam bed with very deep, dramatic contouring, very low motion transfer and outstanding cooling; edges weaken because of the deep sinkage, and the strong initial odor faded in about five days. Size not clearly stated (queen figures used). Affiliate links disclosed on page. Read it ↗
Sleepopolis: Testers found it slightly softer than medium-firm with zoned support that worked for back sleepers and average or heavier side sleepers, excellent motion isolation and unusually good cooling for foam; edge support was only okay and position changes take effort. Memory foam version; size tested not stated; page shows conflicting update dates. Affiliate links disclosed on page. Read it ↗
GoodBed: Rated very firm on its scale with an above-average memory-foam feel. Best for back sleepers and people using an adjustable base; less suited to anyone who wants bounce, sleeps very hot, sits on the edge a lot or struggles to change positions. GoodBed model page for the Nectar Ultra (all-foam), separate from its Ultra Hybrid page. GoodBed rates firmness on its own 1 (firmest) to 9 (softest) scale; GoodBed earns cash-back/affiliate revenue from links. Read it ↗

Their testing, in our words. We haven’t tested these mattresses ourselves, and we don’t repeat their scores.

Sources & sample limits

No usable owner sources. Sample: 0 owner reports.

Owner comments gathered from Reddit via RedditRecs were removed: RedditRecs and Reddit ask automated tools not to collect their content.

Research checked October 14, 2026. These are sourced observations, not our own product tests or a star rating.

Every size it comes in

Twin38 × 75 in15″Twin XL38 × 80 in15″Full · 54-inch54 × 75 in15″Queen60 × 80 in15″King76 × 80 in15″California king72 × 84 in15″

Taken from the maker’s size options, in the inches it publishes. Tap a size to compare every mattress made in it.

Price for every size

From the maker’s site on Oct 24, 2026. Prices change often, so check before you buy.

Size	Inches	Price
Twin	38 × 75	$1,499	See it
Twin XL	38 × 80	$1,799	See it
Full	54 × 75	$1,899	See it
Queen	60 × 80	$1,999	See it
Cal King	72 × 84	$2,299	See it
King	76 × 80	From $2,299	See it

Video reviews

Ultra Memory Foam · Review

Nectar Ultra Review - The Coolest Memory Foam Mattress We've Tested

NapLab · YouTube ↗

How it compares

Beside the most similar mattresses from other brands.

	Ultra Memory FoamNectar	Memory Foam MattressFoamOrder	Luxe FoamGhostBed	WellFlex Memory Foam MattressMLILY
Type	Memory foam	Memory foam	Memory foam	Memory foam
Queen price	$1,999	$1,470	$1,799	$1,999
Height	15″	6″ or 8″ or 10″	14″	12″
Trial	365 nights	See terms	101 nights	See terms
Odd sizes	None	1	None	None
Expert reviews	3	None yet	4	None yet

What’s inside

1Cooling cover
24″ memory foam with phase-change sheet
33″ three-zone support foam
48″ foundational foam

Feel: Medium-soft
Height: 15″
Custom sizes: Not offered for this model

Returns and ordering

Trial and returns

365 nights from delivery; an opened mattress can be returned no earlier than 30 days after delivery

Before you order

Measure inside the frame, not the old mattress
Check clearance above for the height you pick
Make sure your base supports it
Buy sheets in the same exact size

Questions

What is it made of?

4″ memory foam topped with phase-change material, over 3″ three-zone support foam and 8″ foundational foam.

How firm is it?

Medium-soft That’s the maker’s description; we haven’t measured it.

Which sizes and heights can I get?

6 sizes, 15″. See every size. Confirm your exact size and height with the seller.

Are the reviews about this exact mattress?

No owner reviews we can verify yet. Owner comments gathered from Reddit via RedditRecs were removed: RedditRecs and Reddit ask automated tools not to collect their content.

Where did this information come from?