King Mattress 37cm 4-in-1 Adjustable Firmness Dual-Zone Flippable Cooling Gel Memory Foam - White and Grey


Price:
Sale price$999.95 Regular price$1,454.95
Stock:
Hurry! Selling Fast - Final Stock
  • Free Metro & Regional Delivery
  • Fast Aussie Dispatch
  • Fully Tracked & Protected Shipping
  • Easy Change of Mind Returns
  • 60 Month Mattress Warranty

Description

Transform your sleep experience with the King Mattress 37cm 4-in-1 Adjustable Firmness Cooling Gel Memory Foam. Designed to provide personalised comfort for every sleeper, this mattress adapts to your unique preferences to deliver deep, restorative rest. Whether you share your bed or sleep alone, enjoy the perfect balance of support, cooling and pressure relief that helps you wake feeling refreshed and ready for the day.

Key Features

  • 4-in-1 Adjustable Firmness: Tailor your sleep surface with four comfort options—bouncy, cooling, cosy and firm—allowing you to effortlessly find your ideal level of support and relaxation each night.
  • Dual-Zone Flippable Comfort Layer: Each partner can select their preferred firmness on either side of the mattress, eliminating compromise and ensuring personalised sleep quality for both.
  • Reversible Transition Layer: Switch between medium firm and other comfort levels as your body’s needs evolve, providing long-term adaptability to maintain optimal support.
  • Independent Pocket Spring System: Offers targeted support that responds to your body’s contours while minimising motion transfer, so you stay undisturbed by your partner’s movements.
  • Cooling Gel Memory Foam: Actively regulates temperature by dissipating heat, keeping you cool and comfortable for uninterrupted rest even on warmer nights.
  • Breathable Knitted Fabric Cover: Promotes airflow and moisture wicking, creating a fresh and hygienic sleep surface that helps you stay comfortable throughout the night.
  • Zipped Cover Design: Allows for easy removal and cleaning, helping you maintain a pristine mattress without hassle or inconvenience.
  • Vacuum Packed for Convenience: Delivered compressed in a box for easy transport and setup, the mattress expands to its full size within 24 hours, ready to provide exceptional comfort.

Specifications

  • Colour: White and Grey
  • Material: Cooling Gel Memory Foam, Pocket Springs, Breathable Knitted Fabric
  • Overall Dimensions: 183cm (W) x 203cm (L) x 37cm (H)
  • Firmness Rating: 7.0 to 7.5 (Medium Firm)
  • Packaging: Vacuum packed mattress in one package
  • Assembly Required: No

What Is Included

  • King Mattress 37cm 4-in-1 Adjustable Firmness Cooling Gel Memory Foam Dual-Zone Flippable x1
  • 5-year warranty
Enjoy peace of mind with free insured metro delivery and a comprehensive 5-year warranty on this mattress. Rivercity House & Home Co is proudly Australian owned and highly rated by Australian customers, making your purchase secure and reliable.

Payment & Security

Sale Price $999.95 AUD
You Save $455.00
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Afterpay 4x $249.98
Klarna 4x $249.98
Zip from $83.32/wk
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Free Delivery Eligibility

Why Choose Rivercity?

✔️ 2x ProductReview award winners!
✔️ Interest-free with Afterpay, Zip & Klarna
✔️ Free insured delivery to most Aussie postcodes
✔️ Complimentary shipping protection included
✔️ Live tracking with every order
✔️ 60-month Aussie warranty on mattresses
✔️ 12-month Aussie warranty on all other items
✔️ Easy returns & exchanges
✔️ Local support via WhatsApp, live chat, email or socials

Thousands of happy customers. Zero showroom pressure. Just great value, delivered.

King Mattress 37cm 4-in-1 Adjustable Firmness Dual-Zone Flippable Cooling Gel Memory Foam - White and Grey
King Mattress 37cm 4-in-1 Adjustable Firmness D... $999.95

Frequently Asked Questions

Yes. Assembly is designed to be straightforward, with clear step-by-step instructions and all required hardware included.

Most customers find the process simple and hassle free. For larger items, having a second person help can make assembly even quicker.

Yes. We offer change of mind returns on most items within 7 days of delivery.

The item must be unused, unassembled and in its original packaging. Simply contact our friendly support team and we’ll guide you through the return process.

Yes. We offer free tracked and insured delivery to most metro and regional postcodes across Australia.

Some remote locations may incur an additional surcharge. Enter your postcode into the Free Shipping Checker further up the page for an instant answer.

Most orders are dispatched from our main warehouse in Victoria, while some smaller items may ship from Sydney.

Every order includes tracking and delivery protection against loss or damage in transit, so you can shop with confidence.

Yes. All products include a 12-month Australian warranty, while mattresses include an extended 5-year warranty for added peace of mind.

Yes. You can split your purchase into interest-free payments with Afterpay, Klarna or Zip at checkout, subject to provider approval and terms.

Yes. We’ll email your tracking link as soon as your order is dispatched, so you can follow its journey from our warehouse to your door.

Can’t find it? Check your spam or junk folder, then contact us by email or WhatsApp.

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