FirmNest Plus Super King Mattress
About this mattress
The LivingTopia FirmNest Plus Super King Mattress is a 183cm x 203cm super king, made to the New Zealand standard for this size. The comfort build is 3cm of dense foam and nothing else between you and the springs, behind a knitted cover treated to resist pilling; below it, the support is 20cm pocket springs on 1.8mm wire, with three extra rows of 1.9mm wire around the perimeter, giving a feel of Medium Firm, 4 out of 10 where 10 is softest. The anti-pill knitted fabric cover is certified to OEKO-TEX® STANDARD 100 and the foams inside are CertiPUR-US® certified. The mattress is 23cm deep, has a tight top, and comes in at 35.6kg. Because it is roll-packed it travels in a 28cm x 28cm x 193cm carton, which turns 183cm of width into something two people can carry between them, and it is typically at full height within 72 hours after opening.
Who this mattress suits
- Bedrooms with the floor space to take 183 cm of width and still open a wardrobe door, on a 23 cm build.
- Families where children end up in the bed and 183 cm has to stretch to three, on a Medium Firm surface.
- Upgrading from a 167 cm king where the extra 16 cm of width is the point, and the reinforced perimeter is the reason for choosing this tier.
Why choose the FirmNest Plus
Support comes from a 20 cm spring layer in 1.8 mm wire, reinforced at the border by three rows of 1.9 mm wire. Across 183 cm the springs are spread over the widest span in the range, and the springs in the middle of the 23 cm build are the same as those at the sides.
On top you get an anti-pill knitted face over 3 cm of high-density foam — no wave cut and no memory layer at this tier. Over 183 cm the comfort build is continuous, so a super king does not develop a softer strip down the middle at 4 out of 10.
Compared with the rest of FirmNest — Classic 5, Plus 4, Pro 3 and Prime 2 out of 10, 10 being softest — this is the second-softest of the four. On a super king the Plus is second-softest: the Classic is one point softer and 4 cm shallower, the Pro one point firmer with three-zone springs and a gel memory foam layer. A 183 cm super king is a long-term purchase, so place the 4 out of 10 against the other three tiers before ordering.
Pocket springs move on their own, so less of your turning reaches the other side of the bed. Super king sheets are less common on the shelf, so order the standard New Zealand depth to suit 23 cm before delivery day, and rotate head to foot every few months.
Feel and support
| Comfort level | Medium Firm |
| Softness scale | 4 out of 10 where 10 is softest |
| Typically suits | Back sleepers and side sleepers who want the hips held level rather than cradled |
| Support system | 20 cm pocket springs on 1.8 mm wire, with three extra rows of 1.9 mm wire around the perimeter |
| Comfort layer | 3 cm high-density foam |
| Top style | Tight top |
| Cover | Anti-pill knitted fabric |
| Certification | OEKO-TEX STANDARD 100 cover and CertiPUR-US foams |
Firmness is felt, not measured. Body shape, weight and sleeping position all change how the same surface reads, so use this level to compare our mattresses with each other rather than as a promise of how it will feel to you.
Size and fit
| Mattress size | Super King |
| Dimensions | 183 cm x 203 cm |
| Thickness | 23 cm |
| Mattress weight | 35.6 kg |
| Shipping box | 28 cm x 28 cm x 193 cm |
| Bedding | Standard New Zealand super king fitted sheets |
One bedding note and one delivery note. A 23 cm sidewall works with standard New Zealand super king fitted sheets, and a deep-wall sheet will sit loose. It travels in a 28 cm x 28 cm x 193 cm carton, which is how 183 cm of mattress gets into the room at all in most houses, and after unrolling it is typically at full height within 72 hours.
Features
| Feature |
|
Specifications
| Product Dimensions | 183 x 203 x 23 cm |
| Product Weight | 35.6kg |
| Material | Knitted fabric / Pocket spring / Foam / Cotton |
| Mattress Top Type | Tight Top |
| Colour | White / Black |
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 the FirmNest Plus Super King?
Medium Firm, 4 out of 10 where 10 is softest. On a super king the rating is constant across the width, but your experience of it will not be.
How does the FirmNest Plus compare with the Classic and the Pro?
The Plus is 4 out of 10. The Classic below it is 5 out of 10 and so slightly softer, 19 cm rather than 23 cm tall, and has no reinforced perimeter. The Pro above it is 3 out of 10, 26 cm tall, and adds three-zone springs and a 1 cm gel memory foam layer. All numbers are on a scale where 10 is softest. A super king is the most expensive step to get wrong, so compare the numbers before ordering.
What does the reinforced edge do?
Three extra rows of thicker 1.9 mm wire run right around the perimeter of the 20 cm spring unit. The edge keeps more of its shape when you sit on it to put shoes on, and more of the width stays usable for sleeping. Around a 183 cm super king the reinforced rail covers a lot of perimeter.
What certification does this mattress have?
The cover is certified to OEKO-TEX® STANDARD 100 and the foams are CertiPUR-US® certified. Certificate numbers are available from our team on request.
What sheets do I need for this mattress?
You do not need deep-wall bedding here: 23 cm suits standard New Zealand super king sheets. Super king sheets are the hardest size to find on a shelf, so order them ahead and check the 23 cm depth.
Will movement carry across a bed this wide?
Less than on an open-coil mattress, and less than on a narrower size, because 183 cm puts more distance between two sleepers and the springs are pocketed individually. It is a reduction rather than an absence.
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