> ## Content Index > Fetch the complete content index at: https://tiporelax.com/llms.txt > Use this file to discover other available public pages before exploring further. # Best Cooling Soft Mattress by Foam Layers and Feel - URL: https://tiporelax.com/best-cooling-soft-mattress/ - Published: 2026-09-07T06:57:51.000Z - Updated: 2026-09-07T09:49:26.000Z - Description: Seven cooling picks compared by foam construction, height and set width, with the Novilla Bliss leading and a topper option for renters who cannot swap the bed. - Author: Victoria Chapman - Tags: Mattresses & Box Springs, Sleep, Mattresses The best cooling soft mattress in this set is the **Novilla Bliss Cooling Queen Mattress**, a 14 x 80 x 60 in build with a triple-layer foam system and what Novilla calls 2X Cooling Tech. If you sleep in a King and want the tallest premium option, the **Sweetnight CoolNest 14 Inch King Size Mattress** takes the pick instead, thanks to its 14 x 80 x 76 in footprint and CoolNest gel-and-PCM stack. One caveat up front: "soft" is not a firmness rating any listing here publishes, so I judged plushness by construction, not by a marketing label. In this guide 1. [Best cooling soft mattress at a glance](#best-cooling-soft-mattress-at-a-glance) 2. [How I narrowed a crowded field to seven](#how-i-narrowed-a-crowded-field-to-seven) 3. [Why 'soft' is the word this category cannot promise](#why-soft-is-the-word-this-category-cannot-promise) 4. [1\. Novilla Bliss Cooling Queen Mattress — Best overall](#1-novilla-bliss-cooling-queen-mattress-%E2%80%94-best-overall) 5. [2\. Sweetnight CoolNest 14 Inch King Size Mattress — Best premium](#2-sweetnight-coolnest-14-inch-king-size-mattress-%E2%80%94-best-premium) 6. [3\. Grbsy 14 Inch Queen Mattress — Best upgrade](#3-grbsy-14-inch-queen-mattress-%E2%80%94-best-upgrade) 7. [4\. Novilla Queen Size Mattress — Best for pros](#4-novilla-queen-size-mattress-%E2%80%94-best-for-pros) 8. [5\. Avenco Queen Mattress 12 Inch — Best minimal setup](#5-avenco-queen-mattress-12-inch-%E2%80%94-best-minimal-setup) 9. [6\. Best Price Mattress 12 Inch Memory Foam Mattress — Runner-up](#6-best-price-mattress-12-inch-memory-foam-mattress-%E2%80%94-runner-up) 10. [7\. Niagara Sleep Solution Queen Ultra Soft Mattress Topper — Best budget pick](#7-niagara-sleep-solution-queen-ultra-soft-mattress-topper-%E2%80%94-best-budget-pick) 11. [What actually keeps a foam bed cool?](#what-actually-keeps-a-foam-bed-cool) 12. [How thick should a cooling mattress be?](#how-thick-should-a-cooling-mattress-be) 13. [Should you buy a new mattress or add a topper?](#should-you-buy-a-new-mattress-or-add-a-topper) 14. [What the listings do not tell you](#what-the-listings-do-not-tell-you) 15. [The verdict](#the-verdict) 16. [FAQ](#faq) ## Best cooling soft mattress at a glance | Pick | Height & size | Cooling claim | Price | | ------------------------------------------------------------------------------------------------------------- | -------------------------------- | ------------------------------------------ | -------------------------------------------------------------------- | | **Best overall**[Novilla Bliss Cooling Queen Mattress](https://www.amazon.com/dp/B0FT2C75LM?tag=tiporelax-20) | 14 in, Queen14 x 80 x 60 in | 2X Cooling Tech(brand claim) | [Check Price](https://www.amazon.com/dp/B0FT2C75LM?tag=tiporelax-20) | | **Best premium**[Sweetnight CoolNest 14 Inch King](https://www.amazon.com/dp/B0F4JQT2P5?tag=tiporelax-20) | 14 in, King14 x 80 x 76 in | CoolNest System with PCM foam(brand claim) | [Check Price](https://www.amazon.com/dp/B0F4JQT2P5?tag=tiporelax-20) | | **Best upgrade**[Grbsy 14 Inch Queen Mattress](https://www.amazon.com/dp/B0FVF5Q6J3?tag=tiporelax-20) | 14 in, Queen14 x 80 x 60 in | Lyocell cover, gel foam(brand claim) | [Check Price](https://www.amazon.com/dp/B0FVF5Q6J3?tag=tiporelax-20) | | **Best for pros**[Novilla Queen Size Mattress](https://www.amazon.com/dp/B0DWK85CW4?tag=tiporelax-20) | 14 in, Queen14 x 80 x 60 in | 30% more NanoGel(brand claim) | [Check Price](https://www.amazon.com/dp/B0DWK85CW4?tag=tiporelax-20) | | **Best minimal setup**[Avenco Queen Mattress 12 Inch](https://www.amazon.com/dp/B0H1QYGFX2?tag=tiporelax-20) | 12 in, Queen12 x 80 x 60 in | Dual-layer NanoGEL foam(brand claim) | [Check Price](https://www.amazon.com/dp/B0H1QYGFX2?tag=tiporelax-20) | | **Runner-up**[Best Price Mattress 12 Inch Full](https://www.amazon.com/dp/B0DMBV615W?tag=tiporelax-20) | 12 in, Full12 x 75 x 54 in | Gel-infused memory foam(brand claim) | [Check Price](https://www.amazon.com/dp/B0DMBV615W?tag=tiporelax-20) | | **Best budget pick**[Niagara Ultra Soft Topper](https://www.amazon.com/dp/B07D5DN269?tag=tiporelax-20) | 2 in topper, Queen2 x 80 x 60 in | Bamboo-derived rayon cover(brand claim) | [Check Price](https://www.amazon.com/dp/B07D5DN269?tag=tiporelax-20) | ## How I narrowed a crowded field to seven The mattress category on Amazon runs into hundreds of listings, most of which describe themselves as cooling and soft in the same breath. My cut was ruthless. Three named reasons picks were dropped before this list existed: 1. **No published cooling material.** If the listing did not describe a specific cooling technology, whether gel infusion, phase-change material, a lyocell or bamboo-derived cover, or an infused foam layer, it was out. A vague promise of "breathability" is not a cooling claim. 2. **Missing size or height figures.** A cooling soft mattress that does not tell you whether it is a 10-inch or a 14-inch build cannot be judged against its rivals. I dropped any listing that hid basic dimensions behind variant selectors. 3. **No safety certification stated.** Every survivor here mentions CertiPUR-US foam or an equivalent claim. That is a low bar, but it is a bar. What survived the cut splits neatly. Five are full mattresses in a box, all in the 12-to-14-inch range. One is a 2-inch topper for shoppers who cannot replace the bed underneath. Six of the seven ship in Queen, one is a King, one is a Full. The best cooling soft mattress recommendations that follow are built around that mix, not against it. ## Why 'soft' is the word this category cannot promise Firmness is not a specification that appears in the structured data for any of these listings. That matters, because "soft" in mattress marketing is a feel word, not a measurement. The Grbsy listing describes itself as medium firm, which is the opposite end of the sliding scale. So how do I judge a best cooling soft mattress list when the label "soft" is doing the marketing? By construction. Thicker comfort layers of gel-infused memory foam sleep softer than shallow ones over firm support foam. All-foam builds feel plusher on contact than hybrids where pocket coils push back. A quilted knit cover reads softer than a taut woven one. That is why my top pick is an all-foam 14-inch build, and why the hybrid options sit lower down. If you weigh under 130 lb and read reviews on other beds calling a "medium" mattress firm, you will read these the same way. If you weigh over 230 lb, no 14-inch foam bed feels genuinely soft: you sink through the comfort layer into the support layer, which is doing its job. The word "soft" cannot promise the same thing to both readers. ## 1\. Novilla Bliss Cooling Queen Mattress — Best overall **A 14-inch Queen all-foam build with a triple-layer construction and a cooling-first pitch, and the most expensive of the six mattresses here for a reason.** [![Novilla Bliss Cooling Queen Mattress in grey, 14-inch profile shown on a bed frame — the tallest all-foam Queen build in this best cooling soft mattress set](https://m.media-amazon.com/images/I/51dvHQICPeL._SL500_.jpg)](https://www.amazon.com/dp/B0FT2C75LM?tag=tiporelax-20) **Best for:** hot sleepers who want a plush-feeling 14-inch foam bed in Queen **Skip it if:** you sleep with a partner who tosses and want individually wrapped coils Within this set, the Novilla Bliss earns the top slot on construction. It is a Queen at 14 x 80 x 60 in and weighs 71.8 lb, which is on the lighter side for a foam build of that height, and Novilla says the mattress uses what it calls 2X Cooling Tech across the comfort layer. The triple-layer foam system is pitched at pressure-point relief and spinal alignment. It is CertiPUR-US certified for the foam. Against the rest of the list, its edge is coherence. The Grbsy hybrid is cheaper but has pocket coils that push back against a "soft" feel. The Sweetnight is a King and costs more. The Avenco is a shorter 12-inch profile. If you specifically want a tall, all-foam, cooling-focused Queen, this is the pick that lines up cleanly with the brief. The trade-off it makes is price. It carries the highest sticker among the Queen mattresses here for a foam bed that publishes fewer cooling technology details than the Sweetnight does. **Pros:** - 14-inch height, the tallest of the Queen all-foam builds here - 2X Cooling Tech claim across the comfort layer - Triple-layer foam system for pressure relief - CertiPUR-US certified foam - Ships compressed in a box for straightforward setup **Cons:** - The most expensive Queen mattress in this set - No pocket coils if you want a hybrid feel - Novilla does not publish a firmness rating [Check Price on Amazon](https://www.amazon.com/dp/B0FT2C75LM?tag=tiporelax-20) ## 2\. Sweetnight CoolNest 14 Inch King Size Mattress — Best premium **The only King mattress in this list, and the one with the most detailed cooling claim on paper.** [![Sweetnight CoolNest 14 Inch King mattress in grey and blue, 14 x 80 x 76 in — the only King in this best cooling soft mattress set](https://m.media-amazon.com/images/I/41-jz641kdL._SL500_.jpg)](https://www.amazon.com/dp/B0F4JQT2P5?tag=tiporelax-20) **Best for:** a couple upgrading a King bed who want the tallest cooling build here **Skip it if:** you need a Queen or a smaller footprint The Sweetnight CoolNest is 14 x 80 x 76 in, weighs 86.6 lb, and is grey and blue. What sets it apart within this set is the cooling story. Sweetnight describes a CoolNest System that pairs PCM high-resilience foam with gel-infused memory foam, and the cover uses a 3D-woven ventilation design that Sweetnight says improves breathability by 35% over a standard knit. PCM is phase-change material: it absorbs heat as it changes phase, which is a materially different mechanism from a simple gel infusion. The mattress is engineered with a 5-zone support layout that Sweetnight pitches at head-to-toe pressure relief, and it uses multiple foam layers to reduce motion transfer. It is the most expensive pick here and it is the only King, which is the two things you would expect to be true together. The honest trade-off: this is a King, so if your bedroom or frame is Queen, none of that matters. It is also 86.6 lb of compressed foam to muscle up a staircase. **Pros:** - Only King option in this set at 14 x 80 x 76 in - PCM foam paired with gel memory foam (brand claim) - 3D-woven cover with 35% breathability claim - 5-zone support layout across the foam layers - CertiPUR-US certified foams **Cons:** - The most expensive pick here - 86.6 lb makes moving it upstairs a two-person job - No published firmness rating [Check Price on Amazon](https://www.amazon.com/dp/B0F4JQT2P5?tag=tiporelax-20) ## 3\. Grbsy 14 Inch Queen Mattress — Best upgrade **A 14-inch hybrid Queen with pocket coils and a lyocell cover, priced near the bottom of the mattress group.** [![Grbsy 14 Inch Queen hybrid mattress in white, showing the 8-layer construction with pocket coils under gel foam — a best cooling soft mattress hybrid pick](https://m.media-amazon.com/images/I/41k7v313hNL._SL500_.jpg)](https://www.amazon.com/dp/B0FVF5Q6J3?tag=tiporelax-20) **Best for:** back sleepers who want pocket coils under a cooling foam top **Skip it if:** you want an all-foam feel without any spring bounce The Grbsy is 14 x 80 x 60 in, weighs 71.5 lb, and is described by Grbsy as an 8-layer hybrid with a 7-zoned coil system beneath gel memory foam. The cover is lyocell fabric, which is the softer, cooler-touch cousin of standard polyester knit. Grbsy also mentions copper-ion infused foam pitched at odor control, and the foam carries CertiPUR-US certification with the cover certified by OEKO-TEX. Where it lands in this set is interesting. It is the third-cheapest listing on this page and the cheapest full mattress after the Best Price Full-size bed. The trade-off it makes against the Novilla Bliss is a hybrid feel: pocket coils give a slight bounce back that all-foam beds do not, and side sleepers who want that classic sink-in memory foam feel will prefer the Novilla. Back sleepers get the pressure relief up top and the support below. Grbsy calls it medium firm on its listing. If you weigh over 200 lb and want a bed that reads as soft, the coil system will feel supportive rather than plush. **Pros:** - 14-inch hybrid with pocket coils and gel foam - Lyocell cover for a cool-touch surface - 7-zoned support layout across the coils - CertiPUR-US foam and OEKO-TEX cover - Second-cheapest full mattress here **Cons:** - Medium firm feel means it is not the softest option here - Hybrid bounce is a compromise if you want pure foam - Copper-ion odor-control is a manufacturer claim [Check Price on Amazon](https://www.amazon.com/dp/B0FVF5Q6J3?tag=tiporelax-20) ## 4\. Novilla Queen Size Mattress — Best for pros **The fastest-moving mattress listing in this group by sales rank, an all-foam 14-inch Queen with a NanoGel comfort layer.** [![Novilla Queen 14-inch memory foam mattress in white, quilted knitted fabric cover — a fast-selling best cooling soft mattress choice](https://m.media-amazon.com/images/I/51IC1LxwabL._SL500_.jpg)](https://www.amazon.com/dp/B0DWK85CW4?tag=tiporelax-20) **Best for:** shoppers who prize the fastest-moving listing in this set **Skip it if:** you need a published mattress weight before ordering This second Novilla is 14 x 80 x 60 in, white, and Novilla describes it as a 14-inch all-foam Queen with 30% more NanoGel in the comfort layer than its earlier model. The three-foam-layer construction is pitched at noise and vibration absorption, and it is quilted with a breathable knitted fabric that Novilla calls soft and luxurious. It sits at a mid price band in this set. Its case here is simple. Among the seven, this one sells faster in its category than the rest of the mattresses. Whatever the mix of price history and repeat buyers driving that, the listing is moving. It is also the only mattress here where multiple sellers stock it, which occasionally matters if the first seller is out of your preferred variant. The trade-off is thin data. Novilla does not publish a weight for this exact listing in the structured spec, so if you have to carry it upstairs to a walk-up apartment, that is a figure you cannot check before you order. The Bliss above is functionally the newer sibling with the more detailed cooling story. **Pros:** - The fastest-moving mattress listing here - 30% more NanoGel claim over the previous model - Three foam layers with quilted knit cover - Multiple sellers stock the listing - Mid-tier price for a 14-inch all-foam Queen **Cons:** - No published weight on the listing - Cooling story is thinner than the Sweetnight's - Beaten on the newer construction by the Bliss [Check Price on Amazon](https://www.amazon.com/dp/B0DWK85CW4?tag=tiporelax-20) ## 5\. Avenco Queen Mattress 12 Inch — Best minimal setup **A 12-inch hybrid Queen with a movable handle, sized to slip under lower bed frames without swallowing them.** [![Avenco 12 Inch Queen hybrid mattress in grey, showing the 12 x 80 x 60 in low-profile build — a compact best cooling soft mattress pick](https://m.media-amazon.com/images/I/51UmIiHUXwL._SL500_.jpg)](https://www.amazon.com/dp/B0H1QYGFX2?tag=tiporelax-20) **Best for:** a guest room where a 12-inch profile fits the existing frame **Skip it if:** you want a taller 14-inch build The Avenco is 12 x 80 x 60 in, weighs 78.7 lb, and is described as a hybrid with a dual-layer NanoGEL foam over a pocketed spring system. Avenco pitches an airflow system that runs top to base, with a high-density knit fabric top for moisture wicking. The listing also mentions a movable handle for setup, and it carries CertiPUR-US and OEKO-TEX certifications. Where it earns its slot is height. Every other full mattress in this set is 14 in tall. If your existing frame has a headboard designed for a 10-to-12-inch mattress, a 14-inch bed can swallow it visually. The Avenco is the only 12-inch Queen option here and the only Queen mattress with a handle called out on the listing, which matters when 78.7 lb of compressed foam has to be turned in a doorway. The trade-off it makes is comfort layer depth. A 12-inch hybrid gives you less foam on top of the coils than a 14-inch build does, and that changes how "soft" it feels underfoot. It is also priced near the top of the set. **Pros:** - Only 12-inch mattress in Queen here - Dual-layer NanoGEL foam over pocket coils - Movable handle called out on the listing - CertiPUR-US and OEKO-TEX certifications - Airflow claim from cover to base **Cons:** - Shorter comfort layer than the 14-inch options - Priced near the top of the mattress group - Hybrid bounce works against a "soft" feel [Check Price on Amazon](https://www.amazon.com/dp/B0H1QYGFX2?tag=tiporelax-20) ## 6\. Best Price Mattress 12 Inch Memory Foam Mattress — Runner-up **The only Full-size mattress in this list and the second-cheapest listing overall, with gel-infused memory foam in a 12-inch build.** [![Best Price 12 Inch Full memory foam mattress in white, 12 x 75 x 54 in — the only Full-size best cooling soft mattress pick](https://m.media-amazon.com/images/I/41VV+4XmLPL._SL500_.jpg)](https://www.amazon.com/dp/B0DMBV615W?tag=tiporelax-20) **Best for:** a Full-size bed on a tight budget with gel-infused foam **Skip it if:** you specifically need a Queen or King Best Price Mattress ships this at 12 x 75 x 54 in, weighing 52.6 lb, and describes it as a medium firm gel-infused memory foam mattress in a box. The listing calls out four cooling and comfort points: gel infusion for temperature regulation, breathable design for airflow, medium-firm balance, and CertiPUR-US certified foams and fabric. It expands to full size within 72 hours after unboxing. Its role in this set is specific. It is the only Full mattress here, at 12 x 75 x 54 in, and one of the two cheapest listings on this page. If you are furnishing a spare room, a teenager's bedroom, or a studio where a Queen would eat the wall, this is the one that fits the brief without also being a topper. At 52.6 lb, it is also by a clear margin the easiest full mattress in this set to carry up a flight of stairs alone. The honest trade-off is feel. Best Price Mattress calls it medium firm on its own listing, so shoppers who read "soft" strictly will find this closer to neutral than plush. The cooling story is a straightforward gel infusion, not the layered PCM system in the Sweetnight. **Pros:** - Only Full-size mattress in the set at 12 x 75 x 54 in - Second-cheapest listing on this page - Gel-infused memory foam with breathable cover - CertiPUR-US certified foams and fabric - Lightest full mattress here at 52.6 lb **Cons:** - Medium firm feel rather than genuinely soft - Full size only, not Queen or King - Simpler cooling technology than the Sweetnight [Check Price on Amazon](https://www.amazon.com/dp/B0DMBV615W?tag=tiporelax-20) ## 7\. Niagara Sleep Solution Queen Ultra Soft Mattress Topper — Best budget pick **A 2-inch Queen topper made from bamboo-derived rayon, and the cheapest way onto this best cooling soft mattress list if you cannot replace the bed underneath.** [![Niagara Queen mattress topper in green, 2 x 80 x 60 in with deep-pocket stretchy sides — an entry-level best cooling soft mattress upgrade](https://m.media-amazon.com/images/I/41XSwwaHfFL._SL500_.jpg)](https://www.amazon.com/dp/B07D5DN269?tag=tiporelax-20) **Best for:** renters who cannot swap the mattress but need a softer, cooler top layer **Skip it if:** the bed underneath already sleeps hot from the coils up The Niagara is a 2 x 80 x 60 in Queen topper, green, made from rayon derived from bamboo fiber. It has a deep pocket that fits mattresses 8 to 20 in deep, extra-length stretchy sides for thick beds, and is machine-washable. Niagara says the fabric is sweat-absorbent, breathable, and free of latex and formaldehyde. This is the cheapest listing on this page and, by category sales rank, the fastest-moving pick in the whole set. Its role is different from every mattress above it. If you rent, if you inherited a firm bed and cannot justify replacing it, or if you want a softer sleep surface for a guest room without a new mattress order, a 2-inch topper is what does the job. Bamboo-derived rayon runs cool to the touch and wicks moisture, which is a small but real intervention on a hot night. The trade-off is honest: a topper cannot fix a mattress that is running hot from the springs and support foam up. It sits on top. If your existing bed is the problem, one of the mattresses above is the answer instead. **Pros:** - Cheapest listing on this page - Deep-pocket fit for mattresses 8 to 20 in thick - Bamboo-derived rayon for cool-touch feel - Machine-washable and easy to swap out - Fastest-moving listing in this set by category rank **Cons:** - A topper cannot cool a bed hot from the coils up - Adds only 2 in of surface softness - No cooling technology beyond the fabric fibre [Check Price on Amazon](https://www.amazon.com/dp/B07D5DN269?tag=tiporelax-20) ## What actually keeps a foam bed cool? Cooling in a foam mattress works on three fronts, and it helps to name them so you can read a listing critically. - **Conductive cooling** pulls heat out of your body through a material that carries heat well. That is what gel infusions and copper-ion infusions in the foam are pitched at. - **Phase-change cooling** uses a material that absorbs heat as it changes state, like solid to liquid at a specific temperature. The Sweetnight CoolNest listing is the only one here that names PCM foam. - **Convective cooling** moves air, so warm air can leave the mattress instead of building up. That is what pocket coils, open-cell foams, and ventilated covers contribute. Every full mattress in this list combines at least two of those three. The Novilla Bliss and the Novilla Queen lean hardest on gel infusion in the comfort layer. The Grbsy and the Avenco add pocket coils under the foam for convective airflow. The Sweetnight stacks PCM foam onto gel foam and adds a 3D-woven ventilated cover. What none of the seven does on paper is publish a temperature drop in degrees. That figure is almost never disclosed for consumer mattresses, so the honest way to read a cooling claim is as a design choice, not a promise of a specific number. ## How thick should a cooling mattress be? Height is the specification shoppers most often ignore, and it changes everything about how the bed feels. The mattresses in this list come in two heights: 1. **14 inches** for the Novilla Bliss, Grbsy, Novilla Queen, and Sweetnight King. 2. **12 inches** for the Avenco Queen and the Best Price Full. A 14-inch build gives more room for comfort-layer foam over the support base, which is why the three all-foam 14-inch beds here read as the plushest options. A 12-inch build fits under headboards designed for a shorter mattress and is easier to move and fit sheets to. The rule of thumb is straightforward. If you have a modern platform frame with no headboard height constraint, and you want the softest surface a foam bed can give you, pick a 14-inch build. If your headboard, existing frame, or bunk bed guardrails were built for a shorter mattress, go 12 inches. Sheet sets rated for "deep pocket" fit up to 15 or 16 inches, so 14-inch mattresses are within reach on bedding, but the tighter fit is real. ## Should you buy a new mattress or add a topper? This is the question the Niagara topper forces, and it has a specific answer. Buy a new mattress if: - Your current bed sags visibly in the middle or at the shoulder. - It is over eight years old and never carried a cooling claim to begin with. - The support layer has bottomed out, so you feel the springs or the base foam through the comfort layer. Add a topper if: - The bed is structurally fine but reads as too firm. - You rent, or the mattress belongs to someone else. - You need a softer, cooler sleep surface for under a hundred dollars and cannot commit to a full replacement. The 2-inch Niagara topper cannot fix a hot bed that is running hot from the springs up: heat that builds inside the support layer will still leak into the comfort layer above it. But a firm-but-fine mattress topped with bamboo-derived rayon can be a genuine two-degree difference on the surface, and that is what matters for touch. If you are on the fence, the honest read is that a topper is the reversible decision. You can remove it in a week and be back where you started. Ordering a new mattress in a box is a heavier commitment, because the return window and the physical challenge of restuffing an expanded bed are both real. ## What the listings do not tell you Five things every mattress listing in this set omits, and how to work around each one: 1. **A firmness rating on a 1-to-10 scale.** No product here publishes one. Grbsy and Best Price Mattress both use the phrase "medium firm" for what feel like fairly different builds. Read the construction, not the label. 2. **Off-gassing time.** Compressed foam in a box releases a smell for the first 24 to 72 hours after opening. Every mattress here ships compressed. Plan the delivery for a day you can air out the room. 3. **A specific weight rating.** None of these listings publishes a maximum sleeper weight. If you are over 250 lb, foam-forward builds compress faster than hybrids, so the Grbsy and Avenco hybrids are the safer bet for durability. 4. **Trial period specifics.** Grbsy's listing name mentions a 365-night trial, but Amazon's return policy on mattresses varies by seller and by whether the mattress has been opened. Confirm the terms on the product page at the point of order. 5. **Foundation compatibility.** Foam mattresses need a solid or narrow-slat foundation. Slats more than three inches apart will let a foam bed sag. Every listing here assumes you already know this. If you have a standard box spring, add a bunkie board. ## The verdict If you are shopping a Queen and want the softest, coolest-feeling foam bed in this set, the **Novilla Bliss Cooling Queen Mattress** is the pick. It is a 14-inch all-foam Queen with a triple-layer foam construction, Novilla's 2X Cooling Tech, and CertiPUR-US certification. The reason it wins is coherence: nothing else in the Queen group combines the tallest all-foam profile with a dedicated cooling story at this level. Two conditions flip the answer. If you are buying a King bed, the **Sweetnight CoolNest 14 Inch King Size Mattress** is the pick instead. It is the only King in the set, and its CoolNest System, which pairs PCM foam with gel memory foam under a 3D-woven cover, is the most detailed cooling claim on this page. Second, if you sleep with a partner who tosses, or if you weigh over 200 lb and want pocket coils to keep the surface responsive, the **Grbsy 14 Inch Queen Mattress** is a better fit. It has 7-zoned pocket coils under gel foam and a lyocell cover, and it is priced well under the Bliss. The best cooling soft mattress advice, condensed: 14-inch all-foam Queen for softness, King for the deepest cooling stack, hybrid for support, 2-inch topper for renters. ## FAQ ### Is a cooling soft mattress worth it for hot sleepers? Is a cooling soft mattress worth it depends on why you sleep hot. If the heat is from the sheets and the room, better bedding fixes it. If you sink into the comfort layer of a warm foam bed and stay there, then yes: a build like the Novilla Bliss, with a 14-inch all-foam profile and a gel-infused comfort layer, changes the surface temperature meaningfully compared with a non-cooling foam mattress. ### How does the Novilla Bliss compare with the Sweetnight CoolNest? The Novilla Bliss compares with the Sweetnight CoolNest on two fronts. The Bliss is a Queen at 14 x 80 x 60 in and weighs 71.8 lb. The Sweetnight is a King at 14 x 80 x 76 in and weighs 86.6 lb. The Sweetnight publishes a more detailed cooling stack, including PCM foam. Choose by bed size first, cooling story second. ### What thickness of cooling mattress is right for me? The right thickness of cooling mattress in this list is either 12 or 14 inches. Choose 14 inches for the plushest surface: the Novilla Bliss, Grbsy, Novilla Queen, and Sweetnight King all fit that build. Choose 12 inches if your headboard or frame is set for a shorter mattress; the Avenco Queen and Best Price Full both sit at 12 x 80 x 60 in and 12 x 75 x 54 in respectively. ### Can a mattress topper make a firm bed sleep cool? A mattress topper can make a firm bed sleep cooler on the surface, but only a couple of degrees. The Niagara Queen topper adds 2 inches of bamboo-derived rayon over the existing mattress, which wicks moisture and runs cool to the touch. If the bed underneath is generating heat from the coils and support foam, the topper cannot pull that heat out. It changes the surface, not the interior. ### Is memory foam or hybrid better for a soft cooling feel? Memory foam is better for a soft cooling feel on the surface, because there is no coil layer pushing back. The Novilla Bliss and Novilla Queen are the all-foam picks here. Hybrids like the Grbsy and Avenco add pocket coils, which help with airflow and edge support but reduce the sink-in softness. If soft is the priority, buy foam. If support is co-equal, buy a hybrid. Right now, the smart move for most shoppers is to line up the two questions that actually decide this purchase: what size bed frame you already own, and whether the mattress underneath is structurally fine. If it is a Queen frame and the current bed sags, the Novilla Bliss is the default. If it is a King frame, the Sweetnight CoolNest steps up. If the frame is fine and the bed is only too firm, the Niagara topper does more per dollar than any of the mattresses will. Everything in this list is a real trade-off, not a compromise. Pick the one your bedroom actually asks for. *Last updated: September 7, 2026\. Product availability re-checked.* *This page contains affiliate links. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.*