Is a 6-inch mattress thick enough for adults?

It works for adults of average weight who want a firm, low-profile bed, especially in bunks or trundles. Heavier sleepers may find it too thin for lasting support.

How firm is the medium-firm feel?

It is firmer than plush foam, with enough give to cushion pressure points. Most back and stomach sleepers find it supportive; side sleepers wanting softness may find it firm.

Does it work in a bunk bed or trundle?

Yes. The 6-inch height is designed for trundles, bunk beds and confined frames where a standard mattress would not fit.

Does it need a box spring?

A solid platform, slatted base or bunk frame is enough. A box spring is not required and would add height you may not have room for.

How long does it take to expand after unboxing?

Compressed foam typically regains most of its shape within a day and reaches full height in about 48 to 72 hours. Some initial foam odor may fade within a few days.

Is the foam safe for indoor use?

The foam is CertiPUR-US certified, meaning it meets limits on certain chemicals and emissions for indoor use.

What do buyers say about the Twin XL 6 Inch Medium Firm Memory Foam Mattress?

Rated 5 out of 5 from 1 ratings.

AsterOutdoor

Twin XL 6 Inch Medium Firm Memory Foam Mattress

Best price now

$247.75at WalmartChecked Nov 8

Prices are checked against each store and labelled with when.

Visit Walmart

AsterOutdoor

Twin XL 6 Inch Medium Firm Memory Foam Mattress

Best price now

$247.75at WalmartChecked Nov 8

Prices are checked against each store and labelled with when.

Visit Walmart

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Price facts

Last seen at $247.75 at Walmart on Nov 8.

Our take on the Twin XL 6 Inch Medium Firm Memory Foam Mattress

This is a slim 6-inch Twin XL memory foam mattress in gray, built for trundles, bunk beds and tight guest spaces. The medium-firm foam contours to the body for pressure relief and suits back, side and stomach sleepers reasonably well. The foam is CertiPUR-US certified and ships compressed in a box for easy setup. Against thicker memory foam mattresses it trades depth and plushness for a low profile that fits confined frames.

Best forTrundle and bunk bed setupsGuest rooms and small spacesShoppers wanting a low-profile mattressBack and stomach sleepers who prefer firmer support

Pros

Slim 6-inch profile fits trundles and bunks
Medium-firm feel balances cushioning and support
Memory foam contours for pressure relief
Breathable fabric cover for airflow
CertiPUR-US certified foam
Ships compressed in a box for easy handling

Cons

Thin 6-inch build offers less deep cushioning than thicker mattresses
Not suited to heavy sleepers who need more support
Memory foam can sleep warm for some
Minimal edge support at this thickness

Twin XL 6 Inch Medium Firm Memory Foam Mattress prices at every store

WalmartNew
In stock
$247.75Checked Nov 8
Visit Walmart

About the Twin XL 6 Inch Medium Firm Memory Foam Mattress

This 6-inch Twin XL mattress is made of memory foam. Its slim profile suits trundle beds, bunk beds and guest sleeping spaces where room is limited.

The responsive memory foam contours to the body to relieve pressure. The medium firm feel balances cushion and support for different sleeping positions. A breathable fabric improves air circulation and helps keep the surface cool.

The foam is CertiPUR-US certified. The mattress ships compressed in a box.

Size: Twin XL
Thickness: 6 inches
Material: Memory foam
Firmness: Medium firm
Color: Gray
Cover: Breathable fabric
Certification: CertiPUR-US certified foam
Packaging: Compressed in a box
Suitable for: Trundle beds, bunk beds, guest beds

Specifications

color: GraySource

Questions and answers

Is a 6-inch mattress thick enough for adults?: It works for adults of average weight who want a firm, low-profile bed, especially in bunks or trundles. Heavier sleepers may find it too thin for lasting support.
How firm is the medium-firm feel?: It is firmer than plush foam, with enough give to cushion pressure points. Most back and stomach sleepers find it supportive; side sleepers wanting softness may find it firm.
Does it work in a bunk bed or trundle?: Yes. The 6-inch height is designed for trundles, bunk beds and confined frames where a standard mattress would not fit.
Does it need a box spring?: A solid platform, slatted base or bunk frame is enough. A box spring is not required and would add height you may not have room for.
How long does it take to expand after unboxing?: Compressed foam typically regains most of its shape within a day and reaches full height in about 48 to 72 hours. Some initial foam odor may fade within a few days.
Is the foam safe for indoor use?: The foam is CertiPUR-US certified, meaning it meets limits on certain chemicals and emissions for indoor use.
Where is the Twin XL 6 Inch Medium Firm Memory Foam Mattress cheapest?: At Walmart, for $247.75, as of our latest check.
What do buyers say about the Twin XL 6 Inch Medium Firm Memory Foam Mattress?: Rated 5 out of 5 from 1 ratings.