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Images: Siena. Shown size and configuration may vary.

Siena

Signature 10″ Memory Foam

Name: Siena Signature 10″ Memory Foam
Brand: Siena

Best for: Budget memory foam

A 10″ four-layer memory foam bed with 2″ of memory foam.

Good to know: Shorter 180-night trial and 10-year warranty, not the sister brands' 365 nights and Forever Warranty.

Type: Memory foam
Height: 10″
Sizes: 6 ready-made
Certified: CertiPUR-US

Firmness, according to reviewersMedium firm

Pick it if

You sleep on your side
You sleep on your back
You sleep on your stomach

From independent reviewers’ findings, credited below.

Your size

38 × 75 in · 10″ tall

Where to get it

sienasleep.comQueen $329 · checked Oct 16 See price
Split kingSplit King See the list

Returns: 180 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

Budget memory foam

Good

A 10″ four-layer memory foam bed with 2″ of memory foam.
Trial: 180 nights from delivery; an opened mattress can be returned no earlier than 30 days after delivery
Height: 10″
Sizes: Twin, Twin XL, Full, Queen, King, Cal King, Split King

Think about

Shorter 180-night trial and 10-year warranty, not the sister brands' 365 nights and Forever Warranty.
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

Sleep Foundation (Oct 2026): Testers found the memory foam cushioned hips and shoulders and kept a partner's movement from waking them, but heat retention was a serious issue and the edges sank deeply. Lacks firmness for most sleepers over 230 pounds, per testers. Page carries shop links and discount offers. Read it ↗
Mattress Clarity (Oct 2026): Testers found good contouring for back and side sleepers, including a heavier tester, but the edges sagged, especially lying down, and the slow foam made changing positions harder. Reviewed the 10″ Signature. Faint smell noted. Site discloses affiliate programs and free review products. Read it ↗
Tom's Guide (Jul 2026): After about 10 months, the reviewer was still impressed by its support for back and stomach sleeping and its motion isolation, but found it one of the firmest beds they had tested, a shock for anyone expecting soft foam. Tested the 10″ Signature. Site earns affiliate commissions. Read it ↗
Mattress Clarity (Oct 2026): Rated about 6-7/10 firmness. Suits value shoppers, back and side sleepers; not most heavier or combination sleepers. Motion isolation was its best score; surface warmed about 6 degrees in testing; edges sank 4-7 inches under weights. 10-inch Signature Memory Foam. Page gives two different firmness numbers. Site gets free products and earns affiliate commissions. Read it ↗
NapLab (May 2026): Medium-firm (6/10). Recommended for sleepers under 250 lb in any position; heavier sleepers pointed to the 12-inch. Cooling good with slight heat build-up, motion transfer near average, and strong sitting and lying edge support despite no reinforced edge. 10-inch Signature, retested for the 2025 version. Site discloses affiliate commissions. 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 in10″Twin XL38 × 80 in10″Full · 54-inch54 × 75 in10″Queen60 × 80 in10″King76 × 80 in10″California king72 × 84 in10″

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	$199	See it
Twin XL	38 × 80	From $249	See it
Full	54 × 75	$299	See it
Queen	60 × 80	$329	See it
Cal King	72 × 84	$399	See it
King	76 × 80	$399	See it

Video reviews

Signature 10″ Memory Foam · Review

Siena Mattress Review - Best Mattress Under $400?

NapLab · YouTube ↗

Signature 10″ Memory Foam · Review

Siena Mattress Review - The Best Budget Memory Foam Mattress?

Mattress Clarity · YouTube ↗

How it compares

Beside the most similar mattresses from other brands.

	Signature 10″ Memory FoamSiena	Black Foam 12″EGOHOME	Black Foam 12″ ProEGOHOME	Dreamer MattressEGOHOME
Type	Memory foam	Memory foam	Memory foam	Memory foam
Queen price	$329	$379	$419	$290
Height	10″	12″	12″	6″ or 8″ or 10″
Trial	180 nights	100 nights	100 nights	100 nights
Odd sizes	None	None	None	None
Expert reviews	5	2	None yet	None yet

What’s inside

1Four layers, including 2″ of contouring memory foam.

Feel: Medium Firm
Height: 10″
Custom sizes: Not offered for this model

Returns and ordering

Trial and returns

180 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?

Four layers, including 2″ of contouring memory foam.

How firm is it?

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

Which sizes and heights can I get?

6 sizes, 10″. 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?