iSleep Hybrid Firm

Q: Is the iSleep Hybrid Firm good for a heavier person?

Yes — it's one of the stronger options in the Restmaker range for heavier builds. The Firm High Resilience Foam is specifically designed to resist compression under higher body weight, so you won't bottom out or feel the spring system through the comfort layers.

Q: Can a couple use the Hybrid Firm if they have different firmness preferences?

The 3-Zone Pocket Spring helps with motion isolation, but the firmness is consistent across the surface. If there's a big preference gap between partners, consider the Hybrid Medium as a compromise, or speak to us about whether a split-feel option might suit.

Q: How does the Hybrid Firm compare to the Wellness Firm?

Both are firm mattresses at the upper-mid price point but built differently. The Hybrid Firm pairs Firm High Resilience Foam with a 3-Zone Pocket Spring — a foam-plus-spring hybrid. The Wellness Firm uses a 5-Zone Pocket Spring with Aero Gel Memory Foam — more spring zones but a different comfort layer. If you want maximum zonal spring precision, the Wellness Firm's 5-Zone system is the pick. If you want a firm foam layer integrated into a spring system, the Hybrid Firm delivers that. The 100-Night Trial means you can verify which suits you in practice.

Q: Does this come with a sleep trial?

Yes. Every Restmaker mattress includes a 100-Night Sleep Trial. Sleep on it for up to 100 nights and if it’s not right for you, we’ll arrange a hassle-free return — no questions asked.

Q: Is Sydney metro delivery really free?

Yes — free delivery across Sydney metro, no minimum order. For regional NSW or interstate, contact us at restmaker.au for a delivery quote.

Rated 4.90 out of 5 based on 398 customer ratings

(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

Cushioning Quilted Comfort Layer

Non-Slip Base Panel

Responsive Quilted Comfort Foam

Spine Support

Zero Disturbance

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.

Size

Double

Queen

King

Clear

Do we deliver to you?

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.

.stx [data-st-item]>.st-n>.st-b{display:block!important;max-height:none!important;overflow:visible!important}.stx [data-st-item]>.st-n>.st-q,.stx [data-st-item]>.st-n>.st-f{display:none!important}.stx [data-st-item]>.st-n>.st-h{display:block!important}

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

Product Specification

Weight	N/A
Dimensions	N/A
Mattress Feel	Firm
Top Layer	Structured Euro Top
Comfort Layers	Firm High-Resilience Support Foam
Support System	Targeted 3-Zone Pocket Spring
Spring Type	Individually wrapped firm pocket springs
Edge Support	Maker’s Edge Support
Cover Fabric	Cooling Fabric Cover
Removable Cover	No — spot clean only
More Features	Cushioning Quilted Comfort Layer, Non-Slip Base Panel, Responsive Quilted Comfort Foam, Spine Support, Zero Disturbance
Size	Double, King, Queen
Packaging	Bed-in-Box — compressed and roll-packed for easy delivery and setup
Product Warranty	10 years
Trial Period	100-Night Sleep Trial
Best Suited For	Back Sleepers, Extra Back Support, Heavier Builds, Hot Sleepers, Stomach Sleepers
Care	Rotate 180° every 3–6 months. Spot clean only. Use a mattress protector.
Certifications	CertiPUR-US® foam \| OEKO-TEX® Standard 100

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.

High-performance knit engineered to draw body heat away from the surface, delivering a noticeably cooler sleep temperature through the night.

Polyester quilting sewn into the panel for immediate surface softness, cushioning the transition between the cover and the comfort layers below.

Polyurethane foam quilted into the top panel, providing even surface compression and a consistent feel across the full sleep area.

Euro Top panel sewn to the mattress top with a structured, even feel — consistent surface support across the full sleep area without softening the underlying firm spring system.

Firmer-rated high-resilience foam limiting hip sink and maintaining lower back support through the night — suited to back and stomach sleepers.

Compressed fibre pad above the spring unit, cushioning the transition between comfort foam and springs and protecting layers from direct spring contact over time.

Three zones of calibrated pocket spring coils — softer at the shoulders, firmer at the hips — providing targeted support matched to where the body needs it most.

Compressed fibre pad below the spring unit, isolating springs from the base foam and protecting spring geometry across the mattress lifespan.

Precision-engineered edge foam around the full perimeter — holds firm, springs back, every sit and every night.

Non-woven base panel keeping the mattress firmly positioned on the bed base, preventing movement or creep during sleep.

What's Insided

1Cooling Fabric Cover

2Cushioning Quilted Comfort Layer

3Responsive Quilted Comfort Foam (1)

4Responsive Quilted Comfort Foam (2)

5Structured Euro Top

6Firm High-Resilience Support Foam

7Cushioning Spring Comfort Pad (Top)

8Targeted 3-Zone Pocket Spring

9Cushioning Spring Comfort Pad (Base)

10Maker's Edge Support

11Non-Slip Base Panel

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
	➤ See more		➤ See more

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

Frequently
Asked
Questions

How firm is 'firm' on the iSleep Hybrid Firm?

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.

Is the iSleep Hybrid Firm good for a heavier person?

Can a couple use the Hybrid Firm if they have different firmness preferences?

How does the Hybrid Firm compare to the Wellness Firm?

Does this come with a sleep trial?

Is Sydney metro delivery really free?

Related products

-43% Medium

Rated 4.87 out of 5

(348)

Balance Medium

Mattress

FROM$359Save 40%$599Typical Market Price

SHOP Balance Medium

-43% Plush

Rated 4.89 out of 5

(316)

Balance Plush

Mattress

FROM$399Save 43%$699Typical Market Price

SHOP Balance Plush

-46% Medium

Rated 4.89 out of 5

(239)

iDream Flex

Mattress

FROM$279Save 30%$399Typical Market Price

SHOP iDream Flex

-39% Medium

Rated 4.92 out of 5

(198)

iDream Premium

Mattress

FROM$349Save 39%$569Typical Market Price

SHOP iDream Premium

-31% Medium

Rated 4.93 out of 5

(246)

iDream Star

Mattress

FROM$159Save 27%$219Typical Market Price

SHOP iDream Star

-38% Medium

Rated 4.90 out of 5

(305)

iSleep Deluxe

Mattress

FROM$239Save 33%$359Typical Market Price

SHOP iSleep Deluxe

-31% Medium

Rated 4.94 out of 5

(323)

iSleep Ezee

Mattress

FROM$159Save 31%$229Typical Market Price

SHOP iSleep Ezee

-45% Firm

Rated 4.90 out of 5

(398)