iSleepHybridMedium1
iSleep Hybrid Medium Price range: $459 through $659
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(398 customer reviews)

iSleep Hybrid Firm

FROM$459MAX SAVE$540

or 4 interest-free payments as low as $114.75 with
Firm High-Resilience Support Foam
Firm High-Resilience Support Foam
Cushioning Quilted Comfort Layer
Non-Slip Base Panel
Responsive Quilted Comfort Foam
Spine Support
Spine Support
Zero Disturbance
Zero Disturbance
Targeted 3-Zone Pocket Spring
Targeted 3-Zone Pocket Spring

▸ Firm Hybrid for Back Pain Relief — Firm hybrid mattress Sydney — 3-zone pocket springs for lumbar support. Best for back and stomach sleepers.
▸ 3-Zone Pocket Springs + Adaptive CoolFabric — Targeted support across head, shoulders, and lumbar. Sleeps cool. 10-year warranty.
▸ 100-Night Trial — Free pickup and full refund if it’s not right. Free Sydney metro delivery.

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iSleep Hybrid - Size Guide
SIZE LENGTH WIDTH HEIGHT PACKAGING DIMENSIONS
Single 188 cm 92 cm 30 cm L113cm x W42cm x H42cm
King Single 203 cm 107 cm 30 cm L128cm x W42cm x H42cm
Double 188 cm 138 cm 30 cm L159cm x W42cm x H42cm
Queen 188 cm 153 cm 30 cm L174cm x W42cm x H42cm
King 203 cm 183 cm 30 cm L204cm x W42cm x H42cm
Refer to pick up your order?
  • Click & Collect

Check the item location on our product pages. For assistance, call 0415 684 206  to speak to our sales team. We recommend placing your order online to reserve your stock as our products can sell out quickly.

Delivery & Return

Fast Sydney Metro Delivery

We deliver to Sydney Metro — straight to your door, ground floor, within 2–5 business days from dispatch. Free delivery applies to selected ranges — check at checkout. Need it today? Same-day delivery is available on in-stock items for orders placed before 11:30 am (fee applies). All orders include complimentary transit insurance. Check our Delivery Information policy.

100-Night Sleep Trial

Not sure? Sleep on it. Every Restmaker mattress comes with a 100-Night Trial — if it's not right, contact us before night 100 and we'll arrange free collection and a full refund. Use a mattress protector from day one and give it at least 21 nights before requesting a return. See our Returns & Refunds for details.

Product Description

The iSleep Hybrid Firm is a 30 cm hybrid mattress that pairs an Adaptive 3-Zone Pocket Spring system with a Euro Top and Firm High Resilience Foam — delivering the edge-to-edge support of a premium spring system with the targeted firmness that back sleepers and heavier bodies need. It’s the firm option in Restmaker’s Hybrid range: built for Sydneysiders who’ve tried soft mattresses and keep waking up with their back in knots.

Who This Suits

Back sleepers who need serious lumbar support, stomach sleepers who need their hips held in line with their spine, and heavier-framed sleepers who compress medium mattresses too far. The iSleep Hybrid Firm also suits people who prefer a responsive, buoyant feel under them rather than the sinking sensation of foam-heavy mattresses. If you share a bed and one partner needs firm support, the 3-Zone Pocket Spring keeps their movement from disturbing you.

Why It’s Different

A 3-Zone Pocket Spring system is a significant engineering step up from standard pocket springs. Rather than uniform spring tension across the whole mattress, it delivers targeted support to your head and shoulders, your back and hips, and your legs and feet — the three areas that need different amounts of support in a firm mattress. That precision, combined with genuine Firm High Resilience Foam and a Euro Top finish, is what separates the Hybrid Firm from generic firm mattresses at similar prices. Within the Restmaker range, the Hybrid Firm sits between the Wellness Firm (5-Zone pocket spring, no foam layer) and the Natural Comfort Firm (premium 7-Zone, 36 cm, 12-year warranty). If you want a hybrid spring-plus-foam construction at an upper-mid price, the Hybrid Firm delivers that more efficiently than any pocket-spring-only mattress at this level.


100-Night Sleep Trial ✦ 10-Year Warranty ✦ Free Sydney Metro Delivery 

Sleep Problems It Helps With

Back pain sufferers in Sydney consistently tell us that their old medium mattress is the problem — it feels okay for the first hour but by 3 am their lower back is screaming. A firm hybrid keeps your lumbar spine in neutral alignment all night rather than letting it sag into the mattress. The 3-Zone spring system provides higher tension at the lumbar zone specifically — not uniform firmness across the whole surface, but targeted resistance where back sleepers need it most.

Stomach sleepers whose hips drop too far, causing their lower back to arch, will find the Hybrid Firm dramatically more comfortable than a medium. The Firm High Resilience Foam prevents the hip from sinking, keeping the spine from arching overnight.

For heavier builds who've been through multiple medium mattresses and found them sagging within a few years: the Firm High Resilience Foam is specifically rated for high-compression resistance. It holds its profile under sustained heavy loads far longer than standard foam.

Hot sleepers who've been avoiding hybrids because they assume spring systems trap heat: the Hybrid Firm's CoolFabric actively promotes airflow at the sleep surface, and the spring system itself creates natural ventilation channels through the mattress body. The hybrid construction breathes better than a foam-only mattress at this price point.

 

iSleep Hybrid Firm layer by layer description from Restmaker

What's Insided

How It Compares

  iSleep Support Hybrid Firm  ← Natural Comfort Firm
Feel

Firm

Firm

Firm

Height

25 cm

30 cm

36 cm

Spring System

Firm Pocket Spring

3-Zone Firm Pocket Spring

7-Zone Pocket Spring

Comfort Layer

Gel Foam + Firm HR Foam

Firm HR Foam

Latex-like Foam + Gel Foam

Edge Support

Edge Coils

Foam Encasement

Thick Foam Encasement

Warranty

5 Years

10 Years

12 Years

Trial

100 Nights

100 Nights

100 Nights

Best For

Value firm, back pain

Hybrid firm, heavy builds

Premium 7-Zone, chronic back

 

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About brand

Restmaker International: Crafting high-quality, sustainable mattresses in Sydney since 1997. Handcrafted to exceed global standards using premium local materials. Your reliable "Makers of Comfort."

Shipping & Delivery

certification logo

CLEAN MATERIALS.

CERTIFIED TO PROVE IT.

Frequently
Asked
Questions
It's a genuine firm — not a marketing-label firm. The combination of Firm High Resilience Foam and a firm-tensioned 3-Zone Pocket Spring gives you a mattress that has clear pushback and won't let your hips or shoulders sink in significantly. If you've slept on firm hotel mattresses and liked them, this is that feel.

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398 reviews for iSleep Hybrid Firm

  1. Lettie Hunt
    Verified Buyer

    I couldn’t be happier with the iSleep Hybrid firm Mattress. It’s a fantastic product for its price range, offering features like high-density foam, adaptive pocket springs, and a breathable stretch-knit cover. It’s a great investment in my sleep quality without spending a fortune.

  2. Theodore Morgan
    Verified Buyer

    The iSleep Hybrid firm Mattress delivers outstanding value for money. The adaptive pocket springs provide targeted support, and the Aero Gel Memory Foam keeps me cool and deluxeable. It’s a top-tier mattress without the high-end price tag.

  3. Lewis Waters
    Verified Buyer

    The delivery of my iSleep Hybrid Mattress was incredibly fast and efficient. The team arrived on time, handled everything with care, and even helped set up the mattress. I couldn’t have asked for a smoother delivery process. Kudos to the delivery team for their professionalism!

  4. Jodi Wheeler
    Verified Buyer

    The adaptive pocket spring system is excellent for spinal alignment. It provides targeted support to my lower back, reducing pressure points. I’ve noticed a significant improvement in my posture and overall sleep quality.

  5. Dylan Colon
    Verified Buyer

    Moving this mattress was a dream. The box was compact and easy to handle. Perfect for anyone with limited space or tricky stairs.

  6. Connie Stevenson
    Verified Buyer

    If you’re looking for a mattress that caters to everyone’s needs, you should definitely try the iSleep Hybrid Mattress. With three firmness options Plush, Medium, and Firm there’s something for everyone. I went with the Medium, and it’s the perfect balance of deluxe and support. Highly recommend!

  7. Loretta Glover
    Verified Buyer

    been using the iSleep Hybrid Mattress for a few months now, and it’s been a game-changer for my sleep quality. The Aero Gel Memory Foam not only conforms to my body shape but also keeps me cool throughout the night. The adaptive pocket springs provide just the right amount of support for my lower back, reducing the aches I used to wake up with. It’s like sleeping on a cloud that also happens to care for your spine!

  8. Linnett Martinez
    Verified Buyer

    The iSleep Hybrid Mattress in firm firmness is deluxeable enough. It fits well in my bedroom and was easy to set up. The overall quality is fair, making it an acceptable choice for those looking for a standard mattress without any major issues.

  9. William Grace
    Verified Buyer

    I bought the iSleep Hybrid Mattress in Firm, and it’s been alright so far. The firmness level is as expected, providing decent support. The delivery was timely, and the setup was simple. Overall, it’s a functional mattress, but nothing particularly stands out about it.

  10. Heather Kelly
    Verified Buyer

    The iSleep Hybrid Mattress is an excellent choice if you’re looking for a high-quality mattress at a reasonable price. It offers fantastic support with its adaptive pocket springs and luxurious deluxe with the Euro Top design. I’m thrilled with the value I got for my money.