Rest Right Mattress 12″ Kingship Comfort Oversized King Mattress Soft

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Images: Rest Right Mattress. Shown size and configuration may vary.

Rest Right Mattress

12″ Kingship Comfort Oversized King Mattress Soft

Name: Rest Right Mattress 12″ Kingship Comfort Oversized King Mattress Soft
Brand: Rest Right Mattress

Best for: Giant beds in three pieces

A 12″ soft foam mattress in Alaskan, Texas, Alberta and family-bed sizes up to 144″ × 84″, built as three pieces you can move or replace one at a time.

Good to know: No returns once it ships, and the store doesn't say which number is width.

Type: Foam
Height: 12″
Sizes: Made to order + custom
Certified: CertiPUR-US

Your size

108 × 108 in · 12″ tall

Where to get it

restrightmattress.comQueen $2,720 · checked Oct 18 Get a quote

Returns: None. 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

Giant beds in three pieces

Good

A 12″ soft foam mattress in Alaskan, Texas, Alberta and family-bed sizes up to 144″ × 84″, built as three pieces you can move or replace one at a time.
Trial: None. All mattress sales final; no returns or cancellation once shipped
Height: 12″
Sizes: Double King, Family Bed (144 × 84), Family Bed (120 × 80), Alberta (96 × 96), Texas King (98 × 80), Alaskan King (108 × 84), Alaskan King (108 × 80), Alaskan King (108 × 108), Texas King (80 × 98)

Think about

No returns once it ships, and the store doesn't say which number is width.
No owner reviews we could verify yet

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 independent owner reviews were found for this model.

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.

Sources & sample limits

none found Sample: 0 owner reports.

Searched Reddit, Trustpilot (no page for restrightmattress.com) and GoodBed; nothing on Rest Right or Kingship Comfort. Reviews on restrightmattress.com product pages are brand-hosted.

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

Every size it comes in

Alaskan king108 × 108 in12″Texas king80 × 98 in12″Family Bed (144 × 84)144 × 84 inAs listed Family Bed (120 × 80)120 × 80 inAs listed Alberta (96 × 96)96 × 96 inAs listed Texas King (98 × 80)98 × 80 inAs listed Alaskan King (108 × 84)108 × 84 inAs listed Alaskan King (108 × 80)108 × 80 inAs listed

Taken from the maker’s size options, in the inches it publishes. Tap a size to compare every mattress made in it. Sizes marked “as listed” don’t exactly match a standard size, so check your frame.

Price for every size

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

Size	Inches	Price
Texas King (98" x 80")	98 × 80	$2,000	See it
Texas King (80" x 98")	80 × 98	$2,000	See it
Alaskan King (108" x 80")	108 × 80	$2,620	See it
Alaskan King (108" x 84")	108 × 84	$2,620	See it
Alberta (96" x 96")	96 × 96	$2,650	See it
Family Bed (120" x 80")	120 × 80	$2,740	See it
Alaskan King (108" x 108")	108 × 108	$2,720	See it
Family Bed (144" x 84")	144 × 84	$2,960	See it

Video reviews

12″ Kingship Comfort Oversized King Mattress Soft · Brand walkthrough

kingship comfort oversized king mattress

Rest Right Mattress · YouTube ↗

12″ Kingship Comfort Oversized King Mattress Soft · Brand walkthrough

Alaskan, Texas, Wyoming King Bed Mattress-In The Factory

Rest Right Mattress · YouTube ↗

How it compares

Beside the most similar mattresses from other brands.

	12″ Kingship Comfort Oversized King Mattress SoftRest Right Mattress	The OriginalAlaskan King Bed Company	AS5Amerisleep	Classic Bamboo MattressCariloha
Type	Foam	Foam	Memory foam	Memory foam
Queen price	$2,720	$3,800	$1,849	$1,804
Height	12″	11″	14″	11″
Trial	See terms	See terms	100 nights	100 nights
Odd sizes	2	1	None	None
Expert reviews	None yet	None yet	4	None yet

What’s inside

12″ quilted cover
22″ graphene cooling foam
32″ natural Dunlop latex
46″ high-density poly foam base

Feel: Soft
Height: 12″
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.

Alaskan king · 108 × 108

Texas king · 80 × 98

Returns and ordering

Trial and returns

None. All mattress sales final; no returns or cancellation once shipped

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?

12″ oversize foam mattress made to order in the USA as a three-piece design (the pieces can be moved separately or replaced later, and the comfort layer can be swapped instead of buying a new mattress). Graphene-infused cooling foam over a high-density poly foam base under a quilted cover; CertiPUR-US foam. The Soft version adds a 2″ natural Dunlop latex layer.

How firm is it?

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

Which sizes and heights can I get?

8 sizes, 12″. 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. Searched Reddit, Trustpilot (no page for restrightmattress.com) and GoodBed; nothing on Rest Right or Kingship Comfort. Reviews on restrightmattress.com product pages are brand-hosted.

Where did this information come from?

Checked 2026-10-18. Specs and terms can change.