Will it make a firm mattress softer?

Yes. Most buyers use it to soften a firm or worn mattress, and the dual-layer build adds cushioning without full sink-in. Very firm beds may still feel firm underneath.

It is designed to run cooler than memory foam. The 3D hollow fiber fill and quilted stitching allow airflow, and buyers generally report it does not trap heat.

Will it stay on my mattress?

The 360-degree deep pockets are made to grip the mattress and keep the topper in place. Buyers say it stays put without shifting or bunching.

Yes. A built-in waterproof barrier sits under the fill to protect the mattress from spills, sweat and accidents. The quilted top itself is fabric, not a wipe-clean surface.

It adds about 2 to 3 inches of padding. That is thinner than a deep memory foam topper, so it softens the surface rather than transforming the bed.

Does it need time to expand?

Yes. It ships compressed and looks flat at first. Give it time to loft before judging the softness, and note that one buyer still found it thinner than hoped.

Where is the The Cloud Layer cheapest?

At mellow, for $99.99, as of our latest check.

What do buyers say about the The Cloud Layer?

Rated 4.6 out of 5 from 1,067 ratings. Buyers like: Makes firm or old mattresses significantly more comfortable; Plush yet supportive, not sinking in; Sleeps cool and breathable, does not trap heat. Common complaints: One reviewer found it uncomfortable and said it worsened back pain; One reviewer reported receiving a used item with bed bugs.

Where can I buy the The Cloud Layer?

2 stores we checked sell it, including Shop, mellow.

The Cloud Layer Price History: Lowest $99.99 at mellow

What reviewers say

4.6 / 51,067 ratings

Rated 4.6 out of 5 across 1,067 ratings, buyers mostly say it rescues firm or worn mattresses and stays cool. A few found it firmer and flatter than expected, and one reported back pain and a used item.

What people mention

ComfortPraisedBuyers say it softens firm or old mattresses and feels plush without sinking.
TemperaturePraisedOwners report it breathes and does not trap heat like foam toppers.
Staying putPraisedThe deep pockets and quilting keep it from sliding or bunching overnight.
SoftnessMixedSome find it less soft and fluffy than expected, and one wanted it thicker.
Back painCriticisedOne reviewer found it uncomfortable and said it worsened back pain.
ConditionCriticisedOne buyer reported receiving a used item with bed bugs.

From mellow

Dual-layer construction: plush cushioning on top with stable support underneath
Breathable 3D hollow fibers promote airflow and keep you cool
Quilted square stitching keeps the fill evenly distributed with no shifting
360° deep pocket construction stays in place all night
Built-in waterproof barrier protects against spills, sweat and accidents
Adds approximately 2-3 inches of plush comfort

Sizes: Twin XL, Full, Queen, King, Cali King
Materials: OEKO-TEX® Certified, hypoallergenic, antibacterial and 100% vegan; elastic stretch knit construction; breathable all-season weave; 3D hollow fiber fill; high-re
Fit: Deep 18" pockets with stretchy elastic band fit mattresses from 8" to 18" thick, including pillow-tops; 360° secure fit
Sizing: Fits mattresses from 8" to 18" thick; adds about 2-3 inches of height, not enough to require special sheets
Care: Machine wash separately in a commercial-size front-loading washer, cold, gentle cycle. Ensure completely dry before use.
Guarantee: 30-Day Trial
Returns: Hassle-Free Returns
Shipping: Taxes, discounts and shipping calculated at checkout

About the The Cloud Layer

Transform any mattress into a cloud with the Cloud Layer mattress topper. The Cloud Layer adds instant plush comfort with pressure-relieving CloudFill, so you get that luxury sleep feel without replacing your entire bed.