1. Newentor Memory Foam Topper (best mattress topper overall)
Material: Gel-Visco memory foam over high-resilience support foam
Thickness: 5cm, 7cm or 10cm
Firmness: Medium-firm (H2/H3, reversible)
Price: From $182.40 (Queen 10cm $355)
Trial period: 120 Nights
Warranty: 10 Years
Rating: ★★★★★ (4.6/5)
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Most cheap toppers are a slab of foam in a bag. The Newentor Memory Foam Topper is the rare budget option that actually documents its quality: the foams are CertiPUR-US® certified and the removable cover carries OEKO-TEX® Standard 100, so every layer that touches you has been independently tested for harmful substances.
What sells it for us is flexibility. You choose 5cm, 7cm or 10cm depending on how far gone your mattress is — 5cm to freshen a decent bed, 10cm with its 7-zone ergonomic core to rescue a sagging one — and the two-layer build flips between a softer gel-visco side and a firmer support side, so one topper covers two feels. A gel memory foam top layer draws heat away, the quick-drying cover keeps the interior dry and mite-unfriendly, and a grippy non-slip base stops it wandering in the night.
At around $182 for a single and $355 for a 10cm queen, with a 120-night trial and a 10-year warranty, nothing else on this list matches the same mix of certification, adjustability and price.
Pick if...
You want a certified, cooling topper you can dial to the exact thickness and firmness your tired mattress needs.
Pros
- Double-certified: CertiPUR-US® foams plus an OEKO-TEX® Standard 100 washable cover
- Three thicknesses: 5cm, 7cm or 10cm to suit anything from a good mattress to a sagging one
- Reversible firmness: softer gel-visco side or firmer support side
- Cooling and grippy: gel memory foam plus a non-slip base and quick-dry cover
Cons
- Patchy stock: popular size and thickness combinations sell out and go to pre-order
- Leaner local support: smaller brand than the majors, so after-sales can be slower
- Foam needs airing: like all memory foam it has a light off-gas smell for a day or two
| Size | 5cm | 7cm | 10cm |
|---|---|---|---|
| Single | $182.40 | $192.00 | $265.50 |
| Long Single | $200.00 | $250.00 | $274.50 |
| King Single | $189.00 | $208.00 | $288.00 |
| Double | $220.00 | $275.00 | $301.50 |
| Queen | $264.00 | $295.00 | $355.00 |
| King | $260.00 | $315.00 | $375.00 |
| Super King | $285.00 | – | $340.20 |
RRP up to $810 · 120-night trial · 10-year warranty · CertiPUR-US® foams · OEKO-TEX® Standard 100 washable cover. Prices checked 15 July 2026 and include current promotions where noted — always confirm on the brand site.
2. Origin Contour Mattress Topper (best value)
Material: Cooling gel-infused contour memory foam
Thickness: 5cm
Firmness: Medium (contouring)
Price: From $125.30 (Queen $160.30)
Returns: 30-Day Free Returns
Warranty: 3 Years
Rating: ★★★★★ (4.7/5)
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The Origin Contour® Topper is the value champion of this list, and it has the receipts: it was named the top-scoring mattress topper in Australia by News.com.au and picked up a Product of the Year award, yet a single still starts at just $125 on sale.
The comfort layer is German-designed cooling gel memory foam with a wavy contour surface that moulds to your shoulders, hips and lower back, while the gel beads pull heat away so it never sleeps as hot as a plain foam slab. Best of all for hygiene, the plush Tencel™ cover unzips and machine-washes — the single most useful feature a topper can have if allergens or spills are a concern.
It is 5cm thick in one medium, contouring feel, backed by a 30-day free return window and a 3-year warranty. For the money, it is the easiest topper here to recommend.
Pick if...
You want a genuinely cooling, award-winning topper with a washable cover and you do not want to spend much.
Pros
- Outstanding value: a single from $125.30, a queen from $160.30
- Removable, machine-washable Tencel™ cover: strip allergens and spills out in the wash
- Cooling gel-infused foam: beads draw heat away for a cooler sleep
- Award pedigree: top-scoring topper per News.com.au, Product of the Year winner
Cons
- One firmness only: a single medium, contouring feel with no firm option
- 5cm depth: refreshes a tired mattress but will not rescue a badly sagging one
- Shorter warranty: 3 years against Newentor and Peace Lily at 10
| Size | Dimensions (W×L×H) | Price | RRP |
|---|---|---|---|
| Single | 92 × 188 × 5 cm | $125.30 | $179 |
| King Single | 107 × 203 × 5 cm | $132.30 | $189 |
| Double | 138 × 188 × 5 cm | $139.30 | $199 |
| Queen | 153 × 203 × 5 cm | $160.30 | $229 |
| King | 183 × 203 × 5 cm | $174.30 | $249 |
30-day free returns · 3-year warranty · cooling gel memory foam · removable washable Tencel™ cover. Prices checked 15 July 2026 and include current promotions where noted — always confirm on the brand site.
3. Ecosa Plush Mattress Topper (best for a too-firm mattress)
Material: HD G-7 plush memory foam
Thickness: 5cm
Firmness: Plush (softens a firm mattress)
Price: From $350 (Queen $460, member $368)
Warranty: 5 Years
Rating: ★★★★☆ (4.5/5)
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If your mattress is simply too hard, the Ecosa Plush Topper is the fix. Ecosa says its plush memory foam boosts softness by up to 38% and drops the feel by two firmness levels — firm to medium, or medium to plush — so you can soften a board-like bed without replacing it.
The HD G-7 memory foam contours closely and pincore holes keep air moving so it stays cooler and drier than dense foam. Motion transfer falls by around 50% against a standard mattress, which is a real bonus for couples. The removable Tencel™ cover machine-washes, the foam is CertiPUR-US® certified, and elasticated corner straps plus a grippy backing keep it budge-proof.
The catch is that Ecosa does not offer a sleep trial on the topper (only a 5-year warranty against defects), and it is dearer than the Newentor or Origin. But for turning a punishingly firm mattress soft, it is the specialist.
Pick if...
Your mattress is too firm and you want a plush, washable, certified memory foam layer to soften it by two levels.
Pros
- Softens by up to two levels: around 38% more give for a too-firm mattress
- Removable, machine-washable Tencel™ cover: easy to keep clean and fresh
- CertiPUR-US® certified foam: independently tested, with pincore holes for airflow
- Budge-proof and quiet: corner straps and grippy base, roughly 50% less partner disturbance
Cons
- No sleep trial: covered by a 5-year warranty against defects only, not a comfort trial
- Pricier than rivals: from $350 against Origin from $125
- Softening only: it adds plushness, so it will not firm up a mattress that is too soft
| Size | Dimensions (W×L×H) | Weight | Price |
|---|---|---|---|
| Single | 92 × 188 × 5 cm | 6.1 kg | $350 |
| Long Single | 92 × 203 × 5 cm | 6.5 kg | $370 |
| King Single | 107 × 203 × 5 cm | 7.7 kg | $370 |
| Double | 137 × 188 × 5 cm | 9 kg | $420 |
| Queen | 153 × 203 × 5 cm | 10.6 kg | $460 |
| King | 183 × 203 × 5 cm | 11.3 kg | $490 |
| Super King | 203 × 203 × 5 cm | 12.3 kg | $550 |
5-year warranty · CertiPUR-US® foam · removable washable Tencel™ cover · 20% off with free email membership. Prices checked 15 July 2026 and include current promotions where noted — always confirm on the brand site.
4. Peace Lily Mattress Topper (best natural latex)
Material: 100% natural Dunlop latex, organic cotton cover
Thickness: 5cm
Firmness: Flippable — Luxury Plush or Firm
Price: From $389 (Queen from $569)
Trial period: 100 Nights
Warranty: 10 Years
Rating: ★★★★★ (4.6/5)
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For anyone who would rather sleep on natural materials than petrochemical foam, the Peace Lily Topper is the pick. It is 5cm of 100% natural Dunlop latex wrapped in a breathable, GOTS-certified organic cotton cover, with no synthetic foams in the build.
Latex is naturally springy, dust-mite resistant and exceptionally durable — the foam here scored 99/100 on the internationally recognised LGA physical-properties test — so it adds responsive support rather than the slow sink of memory foam. You buy it in Luxury Plush or Firm, which lets you match it to whether your mattress needs softening or shoring up, and it suits back, side and stomach sleepers alike.
It is the most expensive topper on this list and, like all latex, it is heavier to handle. But with a 100-night trial and a 10-year warranty, it is also the one most likely to outlast the mattress underneath it. One caveat: if you have a latex allergy, choose the Newentor or Origin instead.
Pick if...
You want a natural, breathable, long-lasting latex topper and latex itself is not one of your triggers.
Pros
- 100% natural Dunlop latex: breathable, dust-mite resistant and free of synthetic foams
- Two firmness options: Luxury Plush to soften or Firm to add support
- Exceptionally durable: 99/100 on the LGA test, backed by a 10-year warranty
- GOTS organic cotton cover: gentle on sensitive skin, plus a 100-night trial
Cons
- Priciest here: from $389, with a queen from $569
- Heavy to handle: natural latex weighs more than foam equivalents
- Not for latex allergies: natural rubber is itself a known allergen
| Size | Luxury Plush | Firm |
|---|---|---|
| Single | $389 | $459 |
| Long Single | $419 | $479 |
| King Single | $449 | $499 |
| Double | $499 | $569 |
| Queen | $569 | $639 |
| King | $649 | $729 |
100-night trial · 10-year warranty · 100% natural Dunlop latex · GOTS organic cotton cover. Prices checked 15 July 2026 and include current promotions where noted — always confirm on the brand site.
5. Eva Mattress Topper (best simple firm-or-soft pick)
Material: Memory foam
Thickness: 5cm
Firmness: Choice of Firm or Soft
Price: $300 (flat, Double / Queen / King)
Warranty: Check current terms
Rating: ★★★★★ (4.7/5)
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Australian brand Eva keeps things refreshingly simple. Its memory foam topper comes in just one job-done format: pick Firm to add support to a soft, sinking mattress or Soft to cushion a hard one, in Double, Queen or King, all for a flat $300.
There are no thickness menus or firmness charts to decode, which makes it the easy button of this roundup. Owners rate it 4.7 out of 5, and because Eva ships and supports locally you are dealing with an established Australian brand rather than a marketplace seller.
The trade-off is choice: only three sizes, no single or king-single, and less published construction detail than the specialists above. But if you know whether you need firmer or softer and you want it sorted in one click, it does exactly that.
Pick if...
You want a no-fuss Australian-made topper and you already know whether you need it firmer or softer.
Pros
- Firm or soft in one product: add support or add cushioning, your call
- Flat $300 pricing: the same price across Double, Queen and King
- Established Australian brand: local shipping and support, not a marketplace listing
- Strong owner rating: 4.7 out of 5 in customer reviews
Cons
- Only three sizes: no Single or King Single option
- Sparse spec detail: less published construction and certification information
- No published sleep trial: confirm current return and warranty terms before buying
| Size | Firmness options | Price |
|---|---|---|
| Double | Firm or Soft | $300 |
| Queen | Firm or Soft | $300 |
| King | Firm or Soft | $300 |
Firm or Soft memory foam · Australian brand. Prices checked 15 July 2026 and include current promotions where noted — always confirm on the brand site.
How we choose mattress toppers
A topper is a cheaper fix than a new mattress, but only if it solves the actual problem — too firm, too soft, too hot or too old. We apply the same checks to every topper here, whether the brand works with us or not:
- Material and support — memory foam for contouring and pressure relief, latex for natural bounce and durability, and we favour independently certified foams (CertiPUR-US®) and cover fabrics (OEKO-TEX®) over marketing words.
- Thickness and firmness fit — 5cm to refresh a decent mattress, 7–10cm to rescue a sagging one, and we note whether a topper softens, firms, or offers both.
- Cooling — gel infusions, open-cell or pincore foam and breathable covers, because a topper is the layer most likely to make you sleep hot.
- Fit and stability — elasticated straps, non-slip backing and a removable, machine-washable cover, so the topper stays put and stays clean.
- The fine print and real reviews — trial length, warranty and verified owner feedback on ProductReview.com.au, CHOICE and Australian forums, re-checked at this update.
Sleep Society may earn a commission if you buy through links on this page. It never changes the order of our picks — prices and specifications were verified on 15 July 2026.