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Images: Helix. Shown size and configuration may vary.

Helix

Kids Mattress

Name: Helix Kids Mattress
Brand: Helix

Best for: Kids and bunk beds

A flippable kids mattress in 8″, or 6″ low profile for bunks and trundles.

Good to know: Only Twin and Full.

Type: Hybrid
Height: 8″ or 6″
Sizes: 2 ready-made

Pick it if

You sleep on your back
You sit on the edge or use all of it

Skip it if

You sleep on your side

From independent reviewers’ findings, credited below.

Your size

38 × 75 in · 8″ or 6″ tall

Where to get it

helixsleep.comOrder online · delivered to you See price
Fiberglass-free · Kids and crib · TrundleMaker states no fiberglass; Made for kids; Maker lists it for trundle beds Lists

Returns: 365 nights (per the archived page) 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

Kids and bunk beds

Good

A flippable kids mattress in 8″, or 6″ low profile for bunks and trundles.
Trial: 365 nights (per the archived page)
Height: 8″ or 6″
Sizes: Twin, Full

Think about

Only Twin and Full.
No owner reviews we could verify yet
Standard sizes only: no RV, odd or custom sizes listed

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.

Not researched in this pass.

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.

What independent reviewers found

Mattress Clarity (Oct 2026): Flippable hybrid with a firm side for younger kids and a medium-firm side for ages 8 and up; edges were very strong and the bed stayed quiet. Cooling was middling and side sleepers felt some hip pressure; a mild smell faded quickly. Not meant for teens or adults. 8-inch version tested, twin or full not stated; tested by staff including a 10-year-old; affiliate links disclosed on page. Read it ↗
NapLab (Oct 2026): Firm side and medium-firm side both gave minimal sinkage and good lying edge support, with strong cooling and very little off-gassing. Motion transfer was high but less of an issue for a child; side-sleeping kids around 10 and older may want more pressure relief. Model first released late 2021; NapLab notes current specs differ from the tested unit; size unclear; affiliate links disclosed on page. Read it ↗
GoodBed: Expert review of the firm side found a slightly firmer-than-average feel with a little hug, excellent edge support, and the flip option to change comfort as a child grows; suited to stomach and back sleepers. Covers the firm side (GoodBed has a separate soft-side page); testing details limited; referral fees and cash-back disclosed on site. Read it ↗
Mattress Clarity (Oct 2026): Studio-tested; good support with some cushion for young back sleepers, with sturdy edges and pressure relief that is uncommon in kids' beds. Affiliate links. Read it ↗
Sleep Foundation (May 2026): Scores: motion isolation 7.5, edges 8, temperature 7.5, pressure relief 8. Dual-firmness flippable design for ages 3-12 with a breathable, water-repellent cover; no Twin XL and some initial foam smell. Affiliate links. Read it ↗
Sleep Advisor (Oct 2026): Tested first-hand; balanced feel, water-repellent cover and flippable design usable from age 3 to 12, though on the pricey side. Affiliate links. Read it ↗

Their testing, in our words. We haven’t tested these mattresses ourselves, and we don’t repeat their scores.

Sources & sample limits

No owner sources opened. Sample: 0 owner reports.

Owner feedback was not researched in this pass; only the brand's own site was read.

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

Every size it comes in

Twin38 × 75 in8″ or 6″Full · 54-inch54 × 75 in8″ or 6″

Taken from the maker’s size options, in the inches it publishes. Tap a size to compare every mattress made in it.

Video reviews

Kids Mattress · Review

Helix Kids Mattress Review - 8 Unbiased Mattress Tests

NapLab · YouTube ↗

How it compares

Beside the most similar mattresses from other brands.

	Kids MattressHelix	Cub - Kids MattressBear	Elite HybridBear	Elite Ultra HybridBear
Type	Hybrid	Hybrid	Hybrid	Hybrid
Queen price	—	—	$1,599	$2,129
Height	8″ or 6″	8.5″	14″	13.5″
Trial	365 nights	365 nights	365 nights	365 nights
Odd sizes	None	None	None	None
Expert reviews	6	2	3	2

What’s inside

1Flippable two-sided kids mattress with water-repellent fabric, fiberglass free. Sold in a regular 8″ height or a 6″ low profile for bunk and trundle beds.

Feel: Two-sided: age-appropriate firmer and softer sides
Height: 8″ or 6″
Custom sizes: Not offered for this model

Returns and ordering

Trial and returns

365 nights (per the archived page)

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?

Flippable two-sided kids mattress with water-repellent fabric, fiberglass free. Sold in a regular 8″ height or a 6″ low profile for bunk and trundle beds.

How firm is it?

Two-sided: age-appropriate firmer and softer sides That’s the maker’s description; we haven’t measured it.

Which sizes and heights can I get?

2 sizes, 8″ or 6″. 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 feedback was not researched in this pass; only the brand's own site was read.

Where did this information come from?