Generic illustration · not a product photograph

CUB 10" RV Mattress

Name: Polar RV Mattress CUB 10" RV Mattress
Brand: Polar RV Mattress

Best for: Foam RV mattress in 70″ × 74″

A 10″ medium-firm foam RV mattress in a 70″ × 74″ RV king, a 48″ × 75″ three-quarter, a 66″ × 80″ Olympic queen and custom sizes.

Good to know: Warranty is prorated after year 1.

Type: Memory foam
Height: 10″
Sizes: Made to order + custom

Your size

48 × 75 in · 10″ tall

Where to get it

polarbed.coOrder online · delivered to you Get a quote

Returns: 100-night satisfaction guarantee (site banner) 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

Foam RV mattress in 70″ × 74″

Good

A 10″ medium-firm foam RV mattress in a 70″ × 74″ RV king, a 48″ × 75″ three-quarter, a 66″ × 80″ Olympic queen and custom sizes.
Trial: 100-night satisfaction guarantee (site banner)
Height: 10″
Sizes: RV King - 70"w x 74", RV King - 70"w x 80", RV King - 72"w x 74", RV King - 72"w x 80", RV Twin - 28"w x 75", RV Twin - 30"w x 75", RV Twin - 30"w x 80", RV Twin - 32"w x 74", RV Twin - 34"w x 75", RV Twin - 39"w x 75", RV Twin XL - 39"w x 79", RV 3/4 - 48"w x 75", RV 3/4 - 48"w x 78", RV 3/4 - 48"w x 80", RV Full / Double - 54"w x 74", RV Full / Double - 54"w x 75", RV Full XL / Double XL - 54"w x 78", RV Full XL / Double XL -54"w x 80", RV Queen - 60"w x 72", RV Queen - 60"w x 73", RV Queen - 60"w x 74", RV Queen - 60"w x 78", RV Queen - 60"w x 80", Olympic Queen - 66" x 80"

Think about

Warranty is prorated after year 1.
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 naming this model were collected.

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 collected Sample: 0 owner reports.

Owner comments were not searched beyond the seller's site; any star ratings on the seller's site are brand-hosted and not used.

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

Every size it comes in

3/448 × 75 in10″Olympic queen66 × 80 in10″RV king72 × 80 in10″RV bunk / narrow twin30 × 75 in10″Short queen · 74-inch60 × 74 in10″RV king (70 × 80)70 × 80 in10″Short RV king (70 × 74)70 × 74 in10″RV bunk (28 × 75)28 × 75 in10″RV bunk (30 × 80)30 × 80 in10″RV bunk (32 × 74)32 × 74 in10″RV bunk (34 × 75)34 × 75 in10″Full XL · 54-inch54 × 80 in10″Full · 54-inch54 × 75 in10″Queen60 × 80 in10″RV King - 72"w x 74"72 × 74 inAs listed RV Twin - 39"w x 75"39 × 75 inAs listed RV Twin XL - 39"w x 79"39 × 79 inAs listed RV 3/4 - 48"w x 78"48 × 78 inAs listed RV 3/4 - 48"w x 80"48 × 80 inAs listed RV Full / Double - 54"w x 74"54 × 74 inAs listed RV Full XL / Double XL - 54"w x 78"54 × 78 inAs listed RV Queen - 60"w x 72"60 × 72 inAs listed RV Queen - 60"w x 73"60 × 73 inAs listed RV Queen - 60"w x 78"60 × 78 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.

How it compares

Beside the most similar mattresses from other brands.

	CUB 10" RV MattressPolar RV Mattress	CopperFlex EssentialBrooklyn Bedding	Plank FirmBrooklyn Bedding	CopperFlex EssentialRVMattress.com
Type	Memory foam	Memory foam	Foam	Memory foam
Queen price	—	$799	$1,332	—
Height	10″	6″ or 8″ or 10″ or 12″ or 14″	10″	6″ or 8″ or 10″ or 12″ or 14″
Trial	100 nights	365 nights	365 nights	365 nights
Odd sizes	12	16	8	16
Expert reviews	None yet	None yet	4	3

What’s inside

1Black Ice Arctic yarn quilt
22″ conductive cooling gel memory foam
31″ elastomer foam
47″ high-density soy-based foam

Feel: Medium Firm
Height: 10″
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.

3/4 · 48 × 75

Olympic queen · 66 × 80

RV king · 72 × 80

RV bunk / narrow twin · 30 × 75

Short queen · 74-inch · 60 × 74

RV king (70 × 80) · 70 × 80

Short RV king (70 × 74) · 70 × 74

RV bunk (28 × 75) · 28 × 75

RV bunk (30 × 80) · 30 × 80

RV bunk (32 × 74) · 32 × 74

RV bunk (34 × 75) · 34 × 75

Full XL · 54-inch · 54 × 80

Returns and ordering

Trial and returns

100-night satisfaction guarantee (site banner)

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?

A 10″ all-foam RV mattress: 2″ conductive cooling gel memory foam and a 1″ elastomer bounce foam over a 7″ high-density soy-based foam base, under a Black Ice Arctic yarn quilt. Made in North America and roll-packed.

How firm is it?

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

Which sizes and heights can I get?

24 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 were not searched beyond the seller's site; any star ratings on the seller's site are brand-hosted and not used.

Where did this information come from?

Checked 2026-10-28. Specs and terms can change.