FirmCore Plus Queen Mattress
About this mattress
The FirmCore Plus Queen Mattress is a 25 cm euro-top mattress built on a 22 cm high-resilience independent pocket spring system, with a high-density foam base, an extra foam transition layer and a breathable cotton filling layer beneath a 300 g anti-pilling knitted surface. It measures 153 × 203 cm to fit a standard New Zealand queen bed frame, weighs 34.5 kg, and has a firm feel rated 3 out of 10 for softness. It arrives in a single carton and needs no assembly.
Who this mattress suits
- Front sleepers. A firm surface keeps the hips closer to level with the shoulders rather than letting them sink.
- Anyone who finds most mattresses too soft. At 3 out of 10 on our softness scale this is the firmest end of the Betalife range.
- Couples sharing a queen bed. The springs are individually encased, so movement on one side transfers less to the other.
- Main bedrooms wanting a deeper mattress. At 25 cm this sits above the standard depth range — check your fitted sheet.
Why choose the FirmCore Plus
FirmCore is the firm end of the Betalife range, and the Plus model adds height and layering over the Classic: a 22 cm high-resilience spring unit, an extra foam transition layer and a euro top. Choose it if you want firm support but not a hard surface — the euro top and cotton filling take the edge off without softening the feel underneath. The knitted cover is OEKO-TEX® STANDARD 100 certified and the foams are CertiPUR-US® certified, with SGS testing for lead, cadmium and phthalates.
Step down to FirmCore Classic for the same firm feel in a slimmer, lower-priced build. Step across to the Comfort or LiteNest ranges if firm is more than you want.
Feel and support
| Comfort level | Firm |
| Softness scale | 3 / 10 (1 = firmest, 10 = softest) |
| Typically suits | Front sleepers |
| Support system | 22 cm HR independent pocket springs |
| Comfort layer | High-density foam, extra foam transition layer, cotton filling |
| Top style | Euro top |
| Cover | 300 g anti-pilling knitted fabric |
| Certification | OEKO-TEX® STANDARD 100 · CertiPUR-US® · SGS tested |
Comfort level is a guide, not a measurement. How firm a mattress feels also depends on your body weight, your usual sleeping position and the base it sits on.
Size and fit
| Size | Queen |
| Mattress dimensions | 153 × 203 cm |
| Height | 25 cm |
| Weight | 34.5 kg |
| Carton | 31 × 31 × 161 cm, 36.5 kg |
| Assembly | Not required |
153 × 203 cm is the standard New Zealand queen mattress size, so this fits any queen bed frame or base built to NZ dimensions. At 25 cm high it sits above the standard depth range — a deep-wall fitted sheet is the safer choice.
Features
| Features |
|
Specifications
| Product Dimensions | 153 x 203 x 25 cm |
| Product Weight | 34.5kg |
| Material | Knitted Fabric / Cotton Filling / High Density Foam / HR Pocket Springs |
| Mattress Top Type | Euro Top |
| Colour | White |
Delivery, returns and warranty
- Delivery — shipped from New Zealand stock. Shipping information
- Returns — 30 days to change your mind, counted from the day you receive it. Returns policy
- 10-Year Limited Warranty — covers manufacturing faults under normal use in the home.What’s covered
Warranty periods are in addition to, and do not limit, your rights under the New Zealand Consumer Guarantees Act 1993.
Frequently asked questions
How firm is 3 out of 10 — is it too hard?
Here is the number behind the rating: the spring unit alone is 22 cm of the mattress's 25 cm total height, so only about 3 cm is comfort layer. That is why it sits at 3 out of 10 on the Betalife softness scale, the firmest end of the range. You rest on this bed rather than in it, which is exactly what people who find most mattresses too soft are looking for.
Is a firm mattress right if I sleep on my side?
Firm suits back and front sleepers best, because the surface holds the hips closer to level with the shoulders instead of letting them sink. Side sleepers usually want more give at the shoulder and hip, so at 3 out of 10 this is the firm end of the Betalife range rather than the obvious side-sleeper choice. Comfort level is a guide — body weight and the base underneath change how any mattress feels.
What certification does this mattress have?
The cover fabric is OEKO-TEX STANDARD 100 certified and the foams are CertiPUR-US certified. The mattress is also SGS tested for lead, cadmium and phthalates. That covers both what is against your skin and what is underneath you. Certificate numbers are available from our team on request.
If it is a firm mattress, what is the euro top for?
A euro top is a comfort layer stitched flush with the sides of the mattress rather than perched on top of it like a pillow top. On this mattress it carries the cotton filling and an extra foam transition layer, so the surface you touch has some give while the support underneath stays firm. It takes the hard edge off without turning it into a soft bed.
We share a queen bed. Does a firm mattress transfer more movement?
Firmness and motion transfer are separate things. This mattress uses a high-resilience independent pocket spring unit, so each spring is encased and compresses on its own rather than as one connected sheet, which means less of one person's turning carries to the other side. It reduces partner disturbance rather than removing it.
Does a 25 cm queen mattress work with standard New Zealand queen bedding?
The mattress is 153 x 203 cm, which is the New Zealand queen standard, so it fits any NZ queen frame or base. Depth is the thing to check: at 25 cm it is at the deep end for queen fitted sheets, so measure your sheet's wall depth or choose a deep-wall sheet.
The cover is white — will it pill or mark?
The face fabric is a 300 gsm knitted fabric specified as anti-pilling, so it is built to stay smooth rather than go bobbly where the sheets rub. The specifications do not cover stain resistance or a cleaning method, so use a mattress protector if marking is a concern.
How does it arrive?
It arrives in one carton measuring 31 x 31 x 161 cm and weighing 36.5 kg, with no assembly required. That carton is considerably smaller than the finished 153 x 203 x 25 cm mattress, so unpack it in the room where it will be used rather than carrying it through the house afterwards.
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