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SKU #: ZINU1156
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Ultra Cool 25cm Gel Memory Foam Mattress

$469 - $549 Sale

Was: $599

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Save $78 (14%)

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Product overview

  • Medium Comfort

  • Mattress in a Box

  • Foam

  • Gel Memory Foam

  • Memory Foam

  • Memory Foam Top

  • Motion Isolation

  • Breathable

  • Side Sleeper

  • Hypo-allergenic

  • Cooling Properties

  • Limited Warranty

  • CertiPUR-US® Certified Foam

Description

Features:

  • Keep your body temperature regulated when you sleep
  • High-density foam to keep your mattress free of any bacteria & sweat smelling
  • Provides pressure support where it is needed, allowing the body to rest & recover while you sleep
  • CertiPUR-US certified
  • Stretch knit cover
  • CertiPUR-US® certified foams are made without formaldehyde, ozone depleters, mercury, lead or other heavy metals.
  • Standard Australian sizes. Please check measurements before purchasing.

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Dimensions & Weights

Double Size
  • Overall: 190cm L x 138cm W x 25.4cm D
  • Overall Product Weight: 20.92 Kilograms
Queen Size
  • Overall: 203cm L x 152cm W x 25.4cm D
  • Overall Product Weight: 24.65 Kilograms

Specifications

Features

  • Comfort Level: Medium
  • Construction: Gel Memory Foam; Foam; Memory FoamConstruction Details: Gel-infused & green team memory foam
  • Mattress Top: Memory Foam Top
  • Motion Isolation: Yes
  • Breathable: Yes
  • Sleeper Type: Side Sleeper
  • Removable Cover: No
  • Hypo-allergenic: Yes
  • Cooling Properties: Yes
  • Box Contents: 1 x mattressBox Content Details: Rolled in cartonMattress in a Box: Yes
  • Recycled Content: No
  • Care Instructions: Wipe clean with a damp clothCare Instructions Details: Clean with damp cloth & warm, soapy water

Assembly

  • Assembly Required: YesType of Assembly: MinimalRecommended Persons Required for Assembly: 2Assembly Details: Unbox, unroll & remove plastic cover
  •  

Warranty*

  • Product Warranty: 5 Years
  •  

Sustainability

  • CertiPUR-US Certified Foam: Yes
  •  

Specifications

  • Consumer Advice: WARNING: Ensure no children or pets are close to the mattress when opening. Take care when opening the plastic packaging as the mattress may open quickly. Instructions for opening 1. Place the box on a flat surface 2. Carefully cut the outer bag (do not use a knife) 3. Unroll the compressed mattress and remove the plastic bag 4. Allow 48 hours for the mattress to expand
  •  

Additional Resources

Shipping & Returns

As per T&W return policy we unfortunately cannot accept returns of this type of product. For a full list of product categories excluded from “change of mind” returns please see our full returns policy
See something odd? Report it here.

Reviews

All reviews are from people who have purchased the item from us

Read our review Publishing Guidelines
4.7
64 reviews
Incentives to write honest reviews may be offered to people who have purchased the item
Showing reviews that highlight:  
4 stars
29 Jan 2026
Abigail from Mount Annan NSW
Verified buyer

One of the most comfortable mattresses I've ever slept on! Great price for what it is as well. It has really nice firmness while also being a bit soft, so it's a nice mix of both. I'm a hot sleeper, so the cooling gel sold it for me when I was looking for a new mattress; however, I can't say that I can feel any difference from a regular memory foam mattress. That may vary from person to person, but personally, I can't really feel the cooling effect, so because of that, I'm giving it a 4-star rating. I honestly do recommend this mattress if you want a good memory foam one for a great price!

5 stars
16 Apr 2026
Andrew from Oakville NSW
Verified buyer

Bit more expensive than other options out there but very comfortable and supportive, left it for 48 hours after opening as per the instructions and feels great.

5 stars
15 Apr 2026
Elizabeth from Palm Beach QLD
Verified buyer

Excellent well spent cash

5 stars
12 Mar 2026
Adam from Kalgoorlie WA
Verified buyer

Very comfy, as described

5 stars
12 Feb 2026
Cecilia from Hoxton Park NSW
Verified buyer

Very comfortable-great for spare room

5 stars
4 Feb 2026
Toni from Berala NSW
Verified buyer

Extremely comfortable. Had the best sleep I have had in a long time!. Excellent quality and excellent price.

5 stars
14 Jan 2026
Raghava from Mount Waverley VIC
Verified buyer

If you are are someone who loves plush beds, this is for you.

3 stars
16 Feb 2026
Kris from Maroubra NSW
Verified buyer

Not comfortable at all. Purchased for my elderly father to go with the adjustable bed, couldn't sleep, couldn't get comfortable. Tried various positions/adjustments, nothing worked.

5 stars
4 Sep 2025
Natalie from Brunswick East VIC
Verified buyer

This mattress is seriously comfy - Perfect combination of firm but also able to sink into it. I've noticed I wriggle less in my sleep trying to find a comfortable position because the mattress is already comfy as it is. You also can't feel when someone else is moving around in it - It's great!

3 stars
11 Jan 2026
Tegan from Doncaster East VIC
Verified buyer

Love it, would buy again

5 stars
25 Aug 2025
Roxanne from Indooroopilly QLD
Verified buyer

Very comfortable and cooling.

5 stars
19 Aug 2025
Donna from Crib Point VIC
Verified buyer

This mattress is extremely comfortable.

5 stars
8 Aug 2025
Nichanan from Schofields NSW
Verified buyer

Good and firm

5 stars
16 Jul 2025
Jasmin from Brunswick West VIC
Verified buyer

Amazing Mattress highly recommend

5 stars
10 Jul 2025
Naomi from Collingwood Park QLD
Verified buyer

Soooo comfortable. Always fall asleep soundly and love how it supports my back. Highly recommend!

5 stars
17 Jun 2025
Joanne from Richmond VIC
Verified buyer

It's exactly what I expected. My kinda mattress. Might need to rethink your delivery partners though. Not helpful at all!

5 stars
4 Jul 2025
Uno from Alexandria NSW
Verified buyer

The most comfortable mattress I ever had!

5 stars
15 Jun 2025
Joe from Brighton Le Sands NSW
Verified buyer

Very comfy and cool matches all the descriptions I'm happy

5 stars
21 Aug 2024
Jennifer from Ingleburn NSW
Verified buyer

I recently purchased the Ultra Cool 25cm Gel Memory Foam Mattress, and it has truly exceeded my expectations in every way. From the very first night, I noticed a remarkable difference in the quality of my sleep. The 25cm thickness provides the perfect balance of support and comfort, cradling my body while ensuring proper alignment. What really sets this mattress apart is the gel memory foam layer, which not only molds to your body but also keeps you cool throughout the night. I tend to overheat easily, but with this mattress, I’ve experienced a significant reduction in night sweats, leading to a more restful and uninterrupted sleep. The mattress also excels in motion isolation. I’m a light sleeper, and even the slightest movement used to wake me up. But with the Ultra Cool, I barely notice when my partner shifts during the night. This has been a game-changer for both of us. Another standout feature is how quickly the mattress adapts to your body when you lie down. There's no need to wait for it to "break in" or worry about it losing its shape over time. The high-quality construction and materials ensure that this mattress will maintain its support and comfort for years to come. Overall, the Ultra Cool 25cm Gel Memory Foam Mattress is an outstanding investment in sleep quality. If you’re looking for a mattress that combines support, comfort, and cooling technology, I highly recommend giving this one a try. It’s made a significant difference in my sleep, and I couldn’t be happier with the purchase.

5 stars
3 Jun 2025
Aimee from Mareeba QLD
Verified buyer

Absolutely amazing, having the best sleeps in a long time

5 stars
8 May 2025
Vicki from Varsity Lakes QLD
Verified buyer

Omg! So comfortable. I love it!

5 stars
16 Jan 2025
Rommel from Artarmon NSW
Verified buyer

A great mattress. It's soft yet firm on the back. I changed to this one due to a backache and glad I made this choice. Some may prefer a little more firmer mattress instead for bacj support but I feel its the right balance for comfort.

review image 0
5 stars
26 Jan 2025
Tania from Hillside VIC
Verified buyer

Awesome mattress, cool gel incredibly comfortable

5 stars
21 Jan 2025
Petr from Bexley NSW
Verified buyer

Love the mattress. This is the second one we have purchased.

5 stars
3 Jan 2025
Heidi from The Gap QLD
Verified buyer

We have now gotten one of these mattresses for every family member! We love them. And as always, T&W packages arrive within a couple of days!

5 stars
11 Oct 2024
Mike from Gungahlin ACT
Verified buyer

I got the Atlas Bed Frame for this mattress as well. It was easy to assemble and looks great. The mattress is fantastic. Very very comfortable.

review image 0
review image 1
5 stars
13 Nov 2024
Erika from Denham Court NSW
Verified buyer

This mattress is so comfortable best night sleep ever

5 stars
16 Oct 2024
Steven from Bridgman NSW
Verified buyer

Quick delivery and great product

1 star
21 Nov 2024
Sanjay from Currumbin QLD
Verified buyer

I don’t know how people are saying this is a comfortable mattress.. this is a FIRM mattress not soft I wouldn’t even say medium I feel like I’ve slept on a brick and that’s putting it lightly very disappointed with the mattress. Would not recommend at all unless you enjoy back pain

brand_logo reply
Thanks for taking the time to leave a review, though it's disappointing that your mattress wasn't quite right. We understand that comfort is relative to each person and have a handy Mattress Buying Guide on our blog to help with this. Please reach out to our care team if you want to discuss your concerns.
5 stars
28 Aug 2024
Tamara from Wynnum West QLD
Verified buyer

Very comfortable mattress.

5 stars
7 Aug 2024
Jenna from Seaford VIC
Verified buyer

Perfect and affordable products!

5 stars
30 Jul 2024
Natasha from Greenacres SA
Verified buyer

super comfortable to sleep on

5 stars
27 Jul 2024
shellie from Bangor NSW
Verified buyer

its absolutely perfect

5 stars
2 Jul 2024
Rowena from Rothwell QLD
Verified buyer

Super happy with this matress, so much more comfortable than I was expecting. I no longer wake up with lower back pain. Fantastic!

5 stars
30 Apr 2024
carmen from Maroochydore QLD
Verified buyer

Super comfortable. My daughter loves it

5 stars
30 Mar 2024
Lisa from Beenleigh QLD
Verified buyer

Comfortable and quality!

5 stars
21 Mar 2024
kerry from Mount Gambier SA
Verified buyer

Very comfortable not too hard and not too soft

5 stars
28 Feb 2024
Izzy from Warwick Farm NSW
Verified buyer

The bed frame is a absolutely beautiful and was easy to put together! Mattress is just as comfy as I expected it to be!

5 stars
21 Feb 2024
Jo from Bowen QLD
Verified buyer

Great guest mattress!!

3 stars
4 Jun 2024
Georgia from Kurralta Park SA
Verified buyer

This mattress definitely has the cooling effect but it's not as comfortable as your traditional mattress

5 stars
16 Nov 2023
Carlos from Hurlstone Park NSW
Verified buyer

great comfy mattress

5 stars
8 Oct 2023
Johnelle from Mt Lofty QLD
Verified buyer

Good quality and super comfy

5 stars
25 Jul 2023
Robert from Redland Bay QLD
Verified buyer

Very comfortable. Plan on buying another one for our guest room.

2 stars
30 Oct 2023
Stephanie from Alexandria NSW
Verified buyer

Very soft mattress. Order one firmness up from what you need.

brand_logo reply
We appreciate your advice on the mattress's firmness. Our care team is here to help with any questions or clarifications you might need. Please feel free to reach out.
5 stars
5 May 2023
Elaine from Collingwood Park QLD
Verified buyer

Super fast delivery. Came in a box with wheels.

4 stars
31 Mar 2023
Jenneke from Yallambie VIC
Verified buyer

Great mattresses that is supportive, especially for people who are hit sleepers.

5 stars
12 Jan 2023
Brett from Upper Kedron QLD
Verified buyer

My old mattress was too soft and gave me lower back pain, this one is comfortable but also supportive.

4 stars
20 Oct 2022
Julie from Crestmead QLD
Verified buyer

Comfortable and cool exactly as described. I am yet to wait the 72 hrs for the mattress to fully fluff up. But I am a bigger lady and I do find that I sink all the way down to the bed base. Lucky I like a firm bed. Very supportive though

5 stars
24 Aug 2022
Catherine from South Ripley QLD
Verified buyer

My son is so happy with this mattress and his sister now wants one. Very comfortable. Arrived very quickly with excellent communication.

5 stars
1 Jul 2022
michael from Roxbugh Park VIC
Verified buyer

good one

When you buy a Ultra Cool 25cm Gel Memory Foam Mattress online from Temple & Webster in Australia, we make it as easy to have it delivered to your home in Melbourne, Sydney or any major city.
If you have any questions about your purchase or any other Bed Mattresses for sale, our customer service representatives are here to help. Whether you just want to buy a Ultra Cool 25cm Gel Memory Foam Mattress or shop for your entire home, Temple & Webster has everything you need.

Reference

SKU #ZINU1156
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Monthly fee of $9.95 or $0 if nothing owing¹

Zip Money

Monthly fee of $9.95, interest rate 25.9%²

  1. Zip Pay - Minimum monthly repayments are required. A monthly account fee of $9.95 applies and is subject to change. Pay your closing balance in full by the due date each month and we’ll waive the fee. Available to approved applicants only and subject to completion of satisfactory credit check. Other charges may be payable. T&Cs apply.
  2. Zip Money - Available to approved applicants only and subject to completion of satisfactory credit check. Minimum monthly repayments are required. Paying only the minimum monthly repayment amount will generally not repay the purchase within the interest free period. A monthly account fee of $9.95 will also apply and a one-off establishment fee may apply for new customers. Any balance outstanding at the expiry of the interest free period will be charged at the standard variable interest rate of 25.9% per annum as at 1 June 2023. Other charges may be payable, see T&Cs. Interest, fees and charges are subject to change. Terms & Conditions apply and are available on application. See your contract for further details. Credit provided by ZipMoney Payments Pty Ltd (ABN 58 164 440 993, Australian Credit Licence Number 441878).
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