Reader-supported: we earn a commission on some links, at no extra cost to you. It never changes our picks. How this works
Mattress Toppers

Best Cooling Mattress Toppers for Soft Beds

ProductPickly is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. It never changes our picks.

The short answer

The Sleep On Latex Pure Green Topper, the Tempur-Pedic TEMPUR-Adapt Topper, and the Linenspa Gel-Infused Topper lead our picks. Each offers distinct cooling and support for soft mattresses.

?
How we picked

We compare published specifications, safety certifications and thousands of verified owner reviews, and we do not physically test every unit. Read the full process in our review methodology.

At a glance

ModelBest forScore
Sleep On Latex Pure Green TopperBest overall9.4
Tempur-Pedic TEMPUR-Adapt TopperBest for pressure relief9.1
Linenspa Gel-Infused TopperBest value8.8
Casper Sleep TopperBest for side sleepers8.7
ViscoSoft 4-Inch Active Ventilated TopperBest for hot sleepers8.6
PlushBeds 2-Inch Natural Latex TopperBest for eco-conscious8.5
Sleep Innovations 2-Inch Gel Swirl TopperBest for budget cooling8.2
TOP
PICK
1
Sleep On Latex Pure Green Topper
Sleep On Latex Pure Green Topper
★★★★★ 4.5 / 5 Best overall
Check price on Amazon

This 100% natural latex topper is breathable and resilient. It adds a gentle lift to a soft mattress without feeling hard. Owners report it sleeps noticeably cooler than memory foam.

Material 100% natural latexThickness 2 or 3 inchesFirmness Soft, Medium, or FirmCover Organic cotton
  • Excellent airflow
  • Durable and supportive
  • Natural materials
  • Higher price point
  • Heavy to move
Best for: Best overall
2
Tempur-Pedic TEMPUR-Adapt Topper
Tempur-Pedic TEMPUR-Adapt Topper
★★★★★ 4.6 / 5 Best for pressure relief
Check price on Amazon

This topper uses TEMPUR material to contour closely to your body. It adds a plush layer that relieves pressure points. The soft feel works well on a soft mattress without adding firmness.

Material TEMPUR material (viscoelastic)Thickness 3 inchesCover Removable, washableCare Spot clean only
  • Deep pressure relief
  • Motion isolation
  • Soft, plush feel
  • May sleep warm for some
  • No cooling gel infusion
Best for: Best for pressure relief
3
Linenspa Gel-Infused Topper
Linenspa Gel-Infused Topper
★★★★ 4.3 / 5 Best value
Check price on Amazon

This gel-infused memory foam topper offers cooling at a budget price. It adds a soft layer that conforms to your body. Owners say it helps with heat retention on warm nights.

Material Gel-infused memory foamThickness 2 or 3 inchesDensity 3 pounds per cubic footCover Not included
  • Affordable
  • Gel infusion helps dissipate heat
  • Soft and conforming
  • May have initial odor
  • Less durable than latex
Best for: Best value
4
Casper Sleep Topper
Casper Sleep Topper
★★★★ 4.4 / 5 Best for side sleepers
Check price on Amazon

Casper's topper uses perforated foam for airflow. It provides a soft, breathable layer that cushions shoulders and hips. Side sleepers on soft mattresses report better alignment.

Material Perforated foamThickness 2.5 inchesCover Removable, washableDesign Zoned support
  • Breathable perforations
  • Zoned support for pressure points
  • Soft yet supportive
  • Not as plush as some
  • May be too firm for strict softness
Best for: Best for side sleepers
5
ViscoSoft 4-Inch Active Ventilated Topper
ViscoSoft 4-Inch Active Ventilated Topper
★★★★ 4.4 / 5 Best for hot sleepers
Check price on Amazon

This topper features a ventilated design with airflow channels. It is 4 inches thick, adding significant plushness. Owners say it keeps the sleeping surface cooler than standard foam.

Material Ventilated memory foamThickness 4 inchesCover Removable, washableVentilation Airflow channels
  • Excellent airflow
  • Thick plush layer
  • Cooling cover
  • May be too thick for some
  • Can be heavy
Best for: Best for hot sleepers
6
PlushBeds 2-Inch Natural Latex Topper
PlushBeds 2-Inch Natural Latex Topper
★★★★★ 4.5 / 5 Best for eco-conscious
Check price on Amazon

This topper is made from organic latex and certified by GOTS. It provides a responsive, breathable surface that sleeps cool. It adds a gentle cushion without excessive sink.

Material Organic latexThickness 2 or 3 inchesCertification GOTS, GOLSCover Organic cotton
  • Organic materials
  • Natural temperature regulation
  • Responsive support
  • Price is high
  • Firmness may not suit all
Best for: Best for eco-conscious
7
Sleep Innovations 2-Inch Gel Swirl Topper
Sleep Innovations 2-Inch Gel Swirl Topper
★★★★ 4.2 / 5 Best for budget cooling
Check price on Amazon

This topper features a gel swirl pattern that helps disperse heat. It offers a soft, plush feel at a low price. Owners appreciate the cooling effect for the cost.

Material Gel-infused memory foamThickness 2 inchesCover Not includedCare Spot clean
  • Very affordable
  • Gel swirl aids cooling
  • Soft and plush
  • Thin for some
  • May not last as long
Best for: Best for budget cooling

We compared materials, thickness, and owner reviews to find toppers that truly cool. We focused on breathability, heat retention, and how well each works on a soft base.

How to Choose a Cooling Topper for a Soft Mattress

Start with the material. Latex and gel-infused foam are the best coolers. Memory foam without cooling features can trap heat. Look for breathable covers like cotton or bamboo. Thickness matters too. A 2-inch topper adds less cushion, while a 4-inch can make a soft bed even softer. Consider your sleeping position. Side sleepers often need more plushness, while back sleepers may prefer a firmer feel.

Understanding Cooling Technologies

Gel infusions absorb and dissipate heat. Phase change materials actively pull heat away from your body. Ventilated designs allow air to flow through the foam. Latex naturally has open cell structures that promote airflow. Some toppers combine these features for better results. Check the product description for specific cooling claims. Owner reviews often mention whether a topper actually sleeps cool.

Matching Topper Firmness to Your Soft Mattress

A soft mattress can be made more supportive with a firmer topper. But if you love the plush feel, choose a soft or medium topper. Latex toppers come in different firmness levels. Memory foam toppers are usually soft and conforming. If your mattress is very soft, a thicker topper might cause excessive sinkage. Test the combination by lying on it for a few minutes.

Care and Maintenance Tips

Most toppers come with a removable, washable cover. Spot clean the foam itself with mild detergent and water. Air dry completely before putting the cover back on. Avoid direct sunlight as it can degrade foam. Rotate the topper occasionally to prevent uneven wear. A mattress protector can extend the life of your topper.

Questions people ask

What is the best cooling mattress topper for a soft mattress?

The Sleep On Latex Pure Green Topper is our top pick for its breathability and natural cooling. The Tempur-Pedic TEMPUR-Adapt Topper is great for pressure relief, and the Linenspa Gel-Infused Topper is the best budget option.

How thick should a cooling topper be for a soft mattress?

It depends on your preference. A 2-inch topper adds a slight cushion, while a 4-inch topper makes the bed noticeably softer. If your mattress is already soft, a 2 or 3-inch topper is often enough.

Can a cooling topper make a soft mattress firmer?

Some toppers, like latex, can add firmness. Memory foam toppers usually keep the same soft feel. Choose a firm latex topper if you want more support.

Do gel-infused toppers really cool better?

Gel infusions can help dissipate heat, but they are not a magic solution. They work best when combined with breathable covers and ventilated designs. Owner reviews often confirm a noticeable difference.

Is a cooling topper worth it for a soft mattress?

If you sleep hot, yes. A cooling topper can improve airflow and reduce heat retention. It also adds a layer of comfort without replacing your mattress.

What is the difference between latex and memory foam toppers?

Latex is more breathable and responsive, while memory foam conforms closely and offers pressure relief. Latex tends to sleep cooler and last longer, but it is usually more expensive.

How do I clean a cooling mattress topper?

Most have removable covers that you can machine wash. The foam itself should be spot cleaned with mild soap and water. Air dry completely before using.

Can I use a cooling topper on an adjustable bed?

Yes, most toppers are flexible enough for adjustable beds. Check the product specifications to ensure it is compatible.

The bottom line

So which one?

For most people, the Sleep On Latex Pure Green Topper offers the best combination of cooling and support. If you need pressure relief, the Tempur-Pedic TEMPUR-Adapt Topper is a strong choice. Budget shoppers can rely on the Linenspa Gel-Infused Topper for effective cooling at a lower cost.

More in this topic

More in Mattress Toppers

See the full guide →