Adventure Plus

Name: Mattress Insider Adventure Plus
Brand: Mattress Insider

Best for: Medium RV foam

A 9.75″ medium gel-foam RV mattress in named RV sizes from 28 × 75 bunks to 72 × 84.

Good to know: Its King is listed as 75 × 80; check the inches.

Type: Memory foam
Height: 9.75″
Sizes: Made to order + custom
Certified: CertiPUR-US

Your size

66 × 80 in · 9.75″ tall

Where to get it

mattressinsider.comQueen $692.60 (sale price) · checked Oct 17 Get a quote
Split kingSplit Cal King 36 × 84, Split Cal King 36 × 84 See the list

Returns: 365-night comfort guarantee 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

Medium RV foam

Good

A 9.75″ medium gel-foam RV mattress in named RV sizes from 28 × 75 bunks to 72 × 84.
Trial: 365-night comfort guarantee
Height: 9.75″
Sizes: 76 × 80 - Residential King, Cal King 72 × 84, Full 53 × 75, King 75 × 80, Olympic Queen 66 × 80, Queen 60 × 80, RV Bunk 28 × 75, RV Bunk 30 × 75, RV Bunk 32 × 75, RV Bunk 34 × 75, RV Bunk 35 × 79, RV Bunk 42 × 80, RV King 70 × 74, RV King 70 × 80, RV King 72 × 80, RV King 72 × 75, RV Queen Short 60 × 74, Short Full 48 × 74, Split Cal King 36 × 84, Twin 38 × 75, Twin XL 38 × 80

Think about

Its King is listed as 75 × 80; check the inches.
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 owner feedback naming this model was found.

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

iRV2 forum threads and web searches checked 2026-10-17; product pages show brand-hosted reviews, not used. Sample: 0 owner reports.

Reddit threads were not found by search; iRV2 threads mostly name the seller, not a model.

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

Every size it comes in

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
RV Bunk 28 × 75	28 × 75	$533 sale	See it
RV Bunk 30 × 75	30 × 75	$533 sale	See it
RV Bunk 32 × 75	32 × 75	$533 sale	See it
RV Bunk 34 × 75	34 × 75	$533 sale	See it
RV Bunk 35 × 79	35 × 79	$575 sale	See it
Twin 38 × 75	38 × 75	$519 sale	See it
Split Cal King 36 × 84	36 × 84	$575 sale	See it
Twin XL 38 × 80	38 × 80	$575 sale	See it
RV Bunk 42 × 80	42 × 80	$750 sale	See it
Short Full 48 × 74	48 × 74	$750 sale	See it
Full 53 × 75	53 × 75	$637 sale	See it
RV Queen Short 60 × 74	60 × 74	$763 sale	See it
Queen 60 × 80	60 × 80	$693 sale	See it
RV King 70 × 74	70 × 74	$937 sale	See it
Olympic Queen 66 × 80	66 × 80	$937 sale	See it
RV King 72 × 75	72 × 75	$937 sale	See it
RV King 70 × 80	70 × 80	$937 sale	See it
RV King 72 × 80	72 × 80	$937 sale	See it
King 75 × 80	75 × 80	$866 sale	See it
Cal King 72 × 84	72 × 84	$866 sale	See it
76 × 80 - Residential King	76 × 80	$866 sale	See it

How it compares

Beside the most similar mattresses from other brands.

	Adventure PlusMattress Insider	CopperFlex EssentialBrooklyn Bedding	The OneCasper	The DozyCustomMattress.com
Type	Memory foam	Memory foam	Foam	Memory foam
Queen price	$693	$799	$899	$599
Height	9.75″	6″ or 8″ or 10″ or 12″ or 14″	11″	5″ or 6″ or 7″ or 8″ or 9″ or 10″ or 11″ or 12″
Trial	365 nights	365 nights	100 nights	See terms
Odd sizes	13	16	None	10
Expert reviews	None yet	None yet	3	None yet