Original Mattress Factory Orthōs Ultra Firm

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Images: Original Mattress Factory. Shown size and configuration may vary.

Original Mattress Factory

Orthōs Ultra Firm

Name: Original Mattress Factory Orthōs Ultra Firm
Brand: Original Mattress Factory

Best for: Flippable handmade innerspring

12.75″, two-sided, hardest (100 on omf's feel scale) feel; support 9 and durability 9 out of 10 on OMF's scales.

Good to know: No returns: OMF's comfort and size change policy allows one reselection within a year for a 25% fee, though it will build nearly any custom size.

Type: Innerspring
Height: 12.75″
Sizes: Made to order + custom

Your size

53 × 80 in · 12.75″ tall

Where to get it

originalmattress.comQueen $1,264 · checked Oct 17 Get a quote

Returns: No trial or returns. 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

Flippable handmade innerspring

Good

12.75″, two-sided, hardest (100 on omf's feel scale) feel; support 9 and durability 9 out of 10 on OMF's scales.
Trial: No trial or returns. Comfort and Size Change Policy: within one year, one-time reselection of a different model for a fee of 25% of the less expensive piece, plus any price difference and delivery fees
A 10-year back-sleeping owner rated back support and sleep quality 5 out of 5 (Sep 2018).
Height: 12.75″

Think about

No returns: OMF's comfort and size change policy allows one reselection within a year for a 25% fee, though it will build nearly any custom size.
Several side-sleeping owners rated sleep quality 1 or 2 out of 5, and two rated back support 1 out of 5 (2018-2023).

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

From owners of a related model A small set of real reviews, each linked to its source. Not a star rating.

Small sample · 14 owner reports

GoodBed owners of the former Orthopedic Ultra Firm (ratings only) often rate sleep quality low, though a few rate it highly.

What people liked

A 10-year back-sleeping owner rated back support and sleep quality 5 out of 5 (Sep 2018). Source ↗

What to weigh up

Several side-sleeping owners rated sleep quality 1 or 2 out of 5, and two rated back support 1 out of 5 (2018-2023). Source ↗

Sources & sample limits

14 GoodBed owner ratings for the Orthopedic Ultra Firm (ratings only, no written text), Jul 2017-Apr 2025 Sample: 14 owner reports.

OMF says the Orthōs Ultra Firm was formerly the Orthopedic Ultra Firm; ratings only, under the old name, small sample.

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

Every size it comes in

Full XL · 53-inch53 × 80 in12.75″Twin38 × 75 in12.75″Twin XL38 × 80 in12.75″Full · 53-inch53 × 75 in12.75″Queen60 × 80 in12.75″King76 × 80 in12.75″California king72 × 84 in12.75″

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

How it compares

Beside the most similar mattresses from other brands.

	Orthōs Ultra FirmOriginal Mattress Factory	Doctor's Choice Original Soft MattressDenver Mattress	Doctor's Choice Original Medium MattressDenver Mattress	Doctor's Choice Original Firm MattressDenver Mattress
Type	Innerspring	Innerspring	Innerspring	Innerspring
Queen price	$1,264	$900	$800	$700
Height	12.75″	13.5″	12.5″	12.5″
Trial	See terms	365 nights	365 nights	365 nights
Odd sizes	1	1	1	1
Expert reviews	None yet	1	None yet	1

What’s inside

1OMF's best offset innerspring with cylinder edge supports in every other perimeter coil
2jute padding, high-density fiber pad and 1″ of CertiPUR-US foam per side

Feel: Hardest (100 on OMF's feel scale)
Height: 12.75″
Custom sizes: Yes, the maker builds to your measurements

Complete the bed

Odd sizes need everything else in the same inches. Here’s what we have for this mattress’s odd sizes.

Full XL · 53-inch · 53 × 80

Returns and ordering

Trial and returns

No trial or returns. Comfort and Size Change Policy: within one year, one-time reselection of a different model for a fee of 25% of the less expensive piece, plus any price difference and delivery fees

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?

Orthōs Ultra Firm (Orthōs line, Formerly Orthopedic Ultra Firm): 12.75″ two-sided mattress. OMF's best offset innerspring with cylinder edge supports in every other perimeter coil; jute padding, high-density fiber pad and 1″ of CertiPUR-US foam per side.

How firm is it?

Hardest (100 on OMF's feel scale) That’s the maker’s description; we haven’t measured it.

Which sizes and heights can I get?

7 sizes, 12.75″. See every size. Confirm your exact size and height with the seller.

Are the reviews about this exact mattress?

From owners of a related model. OMF says the Orthōs Ultra Firm was formerly the Orthopedic Ultra Firm; ratings only, under the old name, small sample.

Where did this information come from?

Checked 2026-10-17. Specs and terms can change.