DFI Gelflex 3000 Hybrid Mattress
3000 Pocket Springs + G5 Gel Technology
DFI Gelflex 3000 Mattress Review
DFI's flagship hybrid mattress combining 3000 pocket springs with G5 Comfort Gel technology. 100% Irish-made in County Tyrone with a 10-year warranty.
Free delivery across Ireland • 10-year warranty • Made to order
The Quick Verdict
The DFI Gelflex 3000 is DFI's top-of-the-range mattress — and it shows. With an impressive 3000 pocket springs (more than double most competitors) combined with G5 Comfort Gel technology, this is a seriously premium Irish-made mattress that rivals the big international brands at a fraction of the price.
The dual spring system (ActiMax™ plus ZeroG™ micro springs) creates a responsive yet plush sleeping surface that adapts to all body types and sleeping positions. The gel-infused foam top layer adds cooling comfort that hot sleepers will appreciate. At €539 for a double with a 10-year warranty, this represents excellent value for a flagship hybrid mattress.
With a 4.94/5 rating from 31 customer reviews, the Gelflex 3000 is consistently praised as DFI's "sales team and customer favourite" — and our testing backs that reputation up.
Reviewed by Seán — Lead Reviewer, MattressReviews.ie
3+ years testing mattresses for Irish consumers. How we test · Meet the team
How We Rated It
Luxurious gel-foam surface with responsive pocket springs
G5 Comfort Gel technology keeps you cool throughout the night
3000 pocket springs provide excellent targeted support
Dual spring system minimises partner disturbance
Premium features at competitive pricing with 10-year warranty
Good edge stability, though slightly softer than pure spring mattresses
What We Loved & What Could Be Better
What We Loved
- 3000 pocket springs — exceptional support and contouring
- G5 Comfort Gel keeps you cool all night
- Dual spring technology (ActiMax™ + ZeroG™ micro springs)
- 100% Irish-made in County Tyrone
- 10-year manufacturer warranty — best in DFI's range
- Suits all sleeper types and body weights
- 12-inch depth for substantial comfort layers
- Free delivery anywhere in Ireland within 7 days
- 4.94/5 customer rating from 31 verified reviews
- Cash on delivery option available
What Could Be Better
- No trial period advertised on website
- Higher price point than DFI's entry-level options
- One-sided mattress — cannot be flipped
- Not suitable for those who prefer very firm mattresses
- Heavy mattress — may need help moving it
- Limited availability in physical stores to test
Technology Deep Dive
What makes the Gelflex 3000 DFI's flagship mattress
ActiMax™ Adaptive Pocket Springs
The primary spring layer uses ActiMax™ technology — individually nested pocket springs that respond independently to your body weight and position. This eliminates pressure points and provides zoned support across shoulders, lumbar, and hips.
ZeroG™ Micro Pocket Springs
A secondary layer of micro pocket springs sits above the main spring system, creating a "floating" sensation. These smaller springs provide finer contouring and enhanced pressure relief, giving you that weightless feel.
G5 Comfort Gel Technology
The top comfort layer combines liquid gel with foam to create a cooling, adaptive surface. The gel draws heat away from your body and disperses it, while the foam contours to your shape for personalised comfort night after night.
12-Inch Premium Depth
At 12 inches (approximately 30cm) deep, the Gelflex 3000 has room for multiple comfort and support layers. This substantial depth allows for the dual spring system plus gel foam without compromising on support or durability.
3000 Springs vs Industry Standard
Most pocket sprung mattresses in this price range offer 1000-1500 springs. The Gelflex 3000's spring count is exceptional — more springs mean finer contouring, better motion isolation, and more precise support. This is typically a feature reserved for mattresses costing €1,000+.
Who Should Buy This Mattress?
All Sleeper Types
DFI specifically markets the Gelflex 3000 as "best suited for all sleepers and body types" — and that's not marketing fluff. The dual spring system with gel foam creates a medium firmness that adapts to side, back, and combination sleepers equally well. The 3000 pocket springs provide fine-tuned support regardless of your sleeping position.
Hot Sleepers
The G5 Comfort Gel layer is specifically designed for temperature regulation. Unlike traditional memory foam that traps heat, the gel-infused surface draws warmth away from your body. Combined with the breathable pocket spring construction underneath, this mattress sleeps noticeably cooler than pure foam alternatives.
Side Sleepers
The ZeroG™ micro pocket springs combined with gel foam create exceptional pressure relief for shoulders and hips — the key pressure points for side sleepers. The medium firmness allows enough sink to align your spine without bottoming out. This is where the 3000-spring count really shines: finer contouring around curves.
Couples
The 3000 individually pocketed springs provide outstanding motion isolation. When your partner moves or gets up, the movement stays localised rather than rippling across the mattress. The Zip & Link Super King option (€829) is also available for couples who want different firmness levels on each side.
All Body Weights
The dual spring system adapts well across different body weights. Lighter sleepers benefit from the responsive micro springs, while heavier sleepers are supported by the robust ActiMax™ base layer. The high spring count distributes weight more evenly than mattresses with fewer springs.
Firm Mattress Lovers
If you strongly prefer a very firm, "sleeping on top" feel, the Gelflex 3000's medium firmness with plush gel foam might feel too soft. The mattress is designed for comfort and pressure relief rather than rigid support. Consider the DFI Sanctuary 1200 for a firmer orthopaedic feel.
What's Inside: Layer by Layer
12 Inches of Hybrid Engineering
Luxury Knitted Cover
BreathableBreathable Fabric
A soft, breathable cover that allows airflow and wicks moisture away from your body. Designed to work with the cooling gel layer beneath.
G5 Comfort Gel Layer
Cooling TechLiquid Gel + Foam Composite
The star cooling technology. Combines liquid gel with adaptive foam to create a surface that contours to your body while drawing heat away. Provides personalised comfort that adapts night after night.
ZeroG™ Micro Pocket Springs
Pressure ReliefMiniature Individually Pocketed Springs
A secondary layer of smaller pocket springs that creates fine-tuned pressure relief and that 'weightless' floating sensation. Works in harmony with the main spring system below.
ActiMax™ Adaptive Pocket Springs
3000 Springs3000 Individually Nested Pocket Springs
The main support system. Each spring responds independently to weight and movement, eliminating pressure points and providing zoned support for shoulders, lumbar, and hips.
Support Base
DurabilityHigh-Density Foundation
A stable base layer that anchors the spring system and prevents the mattress from bottoming out. Provides the foundation for the entire hybrid construction.
Full Specifications
| Spring Count | 3000 Pocket Springs (Dual System) |
| Spring Technology | ActiMax™ + ZeroG™ Micro Pocket Springs |
| Comfort Layer | G5 Comfort Gel (Liquid Gel + Foam) |
| Depth | 12 inches (~30 cm) |
| Firmness | Medium (5-6/10) |
| Type | Hybrid (3000 Pocket Springs + Gel Foam) |
| Turnable | No — One-Sided Design |
| Warranty | 10 years manufacturer warranty |
| Delivery | Free (within 7 days) |
| Made In | County Tyrone, Ireland |
| Customer Rating | 4.94/5 (31 Reviews) |
Available Sizes & Prices
Single
3' × 6'3" (90 × 190 cm)
€359
Small Double
4' × 6'3" (120 × 190 cm)
€539
Double
4'6" × 6'3" (135 × 190 cm)
€539
King
5' × 6'6" (150 × 200 cm)
€639
Super King
6' × 6'6" (180 × 200 cm)
€749
Super King Zip & Link
6' × 6'6" (180 × 200 cm)
€829
Prices shown are current. Free delivery included on all sizes.
Buyer's Information
What's Included
- 10-Year Warranty: DFI's longest warranty — covers manufacturing defects
- Free Express Delivery: Nationwide across Ireland with fleet tracking
- Made to Order: Fresh from their County Tyrone factory
- Delivery Tracking: Text confirmations plus driver call ~1 hour before arrival
- Cash on Delivery: Option to pay when your mattress arrives
Before You Buy
- No Trial Period: Unlike mattress-in-a-box brands, DFI doesn't advertise sleep trials
- One-Sided Design: Cannot be flipped, but rotate head-to-foot every 3 months
- Heavy Mattress: 12-inch depth with dual springs means significant weight
- Customer Service: Sleep experts available 7 days, 9am-9pm at 01513 4760
Zip & Link Option for Couples
For couples who want different firmness levels, DFI offers a Super King Zip & Link option at €829. This consists of two single mattresses that zip together, allowing each partner to choose their preferred mattress type while sharing a bed.
DFI Gelflex 3000 vs DFI Sanctuary 1200
| Feature | Gelflex 3000 | Sanctuary 1200 |
|---|---|---|
| Spring Count | 3000 (Dual System) | 1200 |
| Comfort Layer | G5 Gel Foam | Traditional Fillings |
| Cooling | Excellent | Good |
| Turnable | No | Yes |
| Warranty | 10 Years | 1 Year |
| Double Price | €539 | €329 |
| Best For | All sleepers, hot sleepers | Back pain, traditional feel |
The Gelflex 3000 is DFI's premium option with advanced cooling and more springs. The Sanctuary 1200 offers excellent value with a traditional, turnable design.
Our Final Verdict
The DFI Gelflex 3000 is a genuinely impressive Irish-made mattress that punches well above its price point. With 3000 pocket springs, dual spring technology, and G5 Comfort Gel, this is a feature set you'd typically expect from mattresses costing €1,000+. The 4.94/5 customer rating speaks for itself.
The 10-year warranty shows DFI's confidence in this product, and the combination of cooling gel foam with responsive pocket springs creates a sleeping experience that suits virtually all sleeper types. Whether you sleep on your side, back, or switch positions throughout the night, the Gelflex adapts.
At €539 for a double with free delivery and Irish manufacturing, this represents outstanding value. The only significant drawbacks are the lack of a trial period and the one-sided design. If you can live with those, this is one of the best hybrid mattresses available in Ireland today.
Free delivery across Ireland • 10-year warranty • Made in County Tyrone