Memory foamBrand product image
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4.5″ East Hampton Memory Foam Cot Mattress
Best for: Cots and narrow beds
A 4.5″ gel-foam cot mattress in eight cot sizes from 28 × 75 to 38 × 72.
Good to know: 121-day guarantee only; custom lengths, widths and heights by quote.
- Type
- Memory foam
- Height
- 4.5″
- Sizes
- Made to order + custom
- Certified
- CertiPUR-US
30 × 75 in · 4.5″ tall
Where to get it
- mattressinsider.comOrder online · delivered to you Get a quote
Returns: 121-day money-back guarantee (custom orders excluded) 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
- Cots and narrow beds
Good
- A 4.5″ gel-foam cot mattress in eight cot sizes from 28 × 75 to 38 × 72.
- Trial: 121-day money-back guarantee (custom orders excluded)
- A buyer with an odd-sized frame said the size, depth and firmness came out exactly as ordered, within two weeks.
- Another said they had slept on it nightly for months and were very happy with it.
Think about
- 121-day guarantee only; custom lengths, widths and heights by quote.
- One buyer warned it is extremely firm and not for people who want a softer bed.
- A daybed user found it firmer than expected, especially for sitting, and thought a soft topper might be needed for long use.
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 reviews on the seller’s site A small set of real reviews, each linked to its source. Not a star rating.
Small sample · 5 owner reports
Only brand-hosted reviews were found: buyers like the exact custom sizing, but two call it much firmer than expected.
What people liked
Sources & sample limits
5 reviews on the brand's own cot mattress page, 2017–2024 Sample: 5 owner reports.
Only the seller's own reviews (Yotpo widget on mattressinsider.com) were found. They are self-selected and cannot be checked; no independent owner posts naming this model turned up in web searches of Reddit and RV forums (iRV2, Thor and Forest River forums blocked automated reading).
Research checked October 14, 2026. These are sourced observations, not our own product tests or a star rating.
Every size it comes in
RV bunk / narrow twin30 × 75 in4.5″RV bunk (28 × 75)28 × 75 in4.5″30 × 7630 × 76 inAs listed30 × 7730 × 77 inAs listed35 × 7235 × 72 inAs listed36 × 7636 × 76 inAs listed36 × 7536 × 75 inAs listed38 × 7238 × 72 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.
How it compares
Beside the most similar mattresses from other brands.
| 4.5″ East Hampton Memory Foam Cot MattressMattress Insider | CopperFlex EssentialBrooklyn Bedding | CopperFlex EssentialRVMattress.com | The DozyCustomMattress.com | |
|---|---|---|---|---|
| Type | Memory foam | Memory foam | Memory foam | Memory foam |
| Queen price | — | $799 | — | $599 |
| Height | 4.5″ | 6″ or 8″ or 10″ or 12″ or 14″ | 6″ or 8″ or 10″ or 12″ or 14″ | 5″ or 6″ or 7″ or 8″ or 9″ or 10″ or 11″ or 12″ |
| Trial | See terms | 365 nights | 365 nights | See terms |
| Odd sizes | 2 | 16 | 16 | 10 |
| Expert reviews | None yet | None yet | 3 | None yet |
What’s inside
- 11.5″ 3 lb cool-gel memory foam
- 23″ soy bio high-density support foam
- Feel
- Flippable: cushion-firm side and firm side
- Height
- 4.5″
- 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.
RV bunk / narrow twin · 30 × 75
RV bunk (28 × 75) · 28 × 75
Returns and ordering
Trial and returns
121-day money-back guarantee (custom orders excluded)
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?
4.5″ cot mattress: 1.5″ cool-gel memory foam over 3″ soy-based high-density support foam. Fits folding, raised, bunk and hospital cots.
How firm is it?
Flippable: cushion-firm side and firm side That’s the maker’s description; we haven’t measured it.
Which sizes and heights can I get?
8 sizes, 4.5″. See every size. Confirm your exact size and height with the seller.
Are the reviews about this exact mattress?
From reviews on the seller’s site. Only the seller's own reviews (Yotpo widget on mattressinsider.com) were found. They are self-selected and cannot be checked; no independent owner posts naming this model turned up in web searches of Reddit and RV forums (iRV2, Thor and Forest River forums blocked automated reading).
Where did this information come from?
Checked 2026-10-17. Specs and terms can change.
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