Stearns and Foster
Stearns & Foster® Lux Hybrid Firm Mattress
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Stearns & Foster Lux Hybrid Firm — memory foam meets a responsive coil
The Lux Hybrid Firm is Stearns & Foster's hybrid lane at the Lux level: firm support with a hybrid's responsiveness. It pairs TEMPUR-Indulge™ memory foam with the IntelliFlex™ hybrid support system, finished with a reinforced edge and a cooling cover — a 8 out of 10 feel at 14". Where the IntelliCoil Estate and Lux Estate beds lead with the coil, the Lux Hybrid leads with the memory-foam feel and lets the hybrid coils carry the support.
Why a hybrid at the Lux level
People who love a deep, contouring memory-foam surface often miss the responsiveness and airflow of coils. The Lux Hybrid is built for exactly that sleeper: TEMPUR-Indulge memory foam gives the pressure-relieving cradle on top, while the IntelliFlex™ hybrid coil system underneath adds the lift, the cooler airflow, and the stronger edge that all-foam can't. It's the memory-foam experience without the all-foam compromises.
The IntelliFlex™ difference
IntelliFlex is Stearns & Foster's hybrid support system — a coil unit engineered to respond point by point under the deep comfort foam, so the bed supports your spine precisely while the foam relieves your pressure points. It's the same craftsmanship philosophy as the brand's IntelliCoil beds, tuned for a hybrid that leads with foam feel.
Craftsmanship you feel
A cooling cover keeps the memory-foam surface from sleeping warm, the reinforced edge keeps support nearly wall to wall, and Stearns & Foster builds it by hand to a Lux-level standard. This is a hybrid made with the same care the brand puts into its flagship coil beds.
Where it sits
The Lux Hybrid comes in three feels — Lux Hybrid Firm, Medium, and Soft — so you can dial in firmness without leaving the hybrid lane. For the brand's coil-led Lux build, compare the Lux Estate tier in the full Stearns & Foster lineup.
Ten minutes beats ten reviews
Memory-foam-on-coils is a specific feel — the contour of foam with the lift of a hybrid — and you'll know in a minute whether it's yours. The Lux Hybrid Firm is on our floors with its sibling feels for the honest comparison, the 90-night trial holds buying from a local dealer, delivery is free and usually next business day in stock, and the old mattress leaves with us.
What makes this mattress different
IntelliFlex™ Hybrid Support
Stearns & Foster's hybrid coil system — point-by-point support and airflow under the deep comfort foam.
Firm Feel, 8 out of 10
Tuned to a 8 out of 10 on the IntelliFlex hybrid core — firm support with a hybrid's responsiveness.
TEMPUR-Indulge™ Memory Foam
A deep, pressure-relieving memory-foam comfort layer — the Lux Hybrid leads with foam feel.
Cooler Than All-Foam
The hybrid coil core moves air the way a solid foam base can't, so the memory-foam surface sleeps cooler.
Reinforced Edge
Support that runs nearly wall to wall — sit or sleep to the edge without rolling off.
Handcrafted by Stearns & Foster
Built by hand to a Lux-level standard — a hybrid made with flagship care.
90-Night Trial · 10-Year Warranty
Sleep on it for 90 nights, backed by the brand's 10-year limited warranty, honored when you buy from us.
Lux Hybrid Firm, layer by layer
The Lux Hybrid leads with foam over a responsive coil:
- Cooling cover. Keeps the memory-foam surface from sleeping warm.
- TEMPUR-Indulge™ memory foam. The deep, pressure-relieving cradle that defines the feel.
- IntelliFlex™ hybrid support system. A coil unit that responds point by point — support, lift, and airflow.
- Reinforced edge + base. Wall-to-wall support and a stable foundation.
14", firm (8 out of 10), backed by the 90-night trial and 10-year warranty.
What's inside a Stearns & Foster
Hand-built around IntelliCoil® — a precision coil inside a coil — under layers of cushioning foam and a tailored quilted cover.
For the back and stomach sleepers who want firm but not dead-flat
Back sleepers — firm hybrid support with a memory-foam surface that still relieves pressure.
Stomach sleepers — the firmness keeps the hips level; the coils add a little life.
Memory-foam fans who want firm — the foam feel without an all-foam sink.
Hot sleepers — the hybrid core sleeps cooler than all-foam.
Couples — reinforced edge and responsive coils.
Side sleepers — an 8/10 is firm for the shoulder; see the Lux Hybrid Soft.
Specifications
| Height | 14" |
|---|---|
| Feel | Firm Hybrid |
| Firmness | 8 out of 10 (10 = firmest) |
| Construction | Cooling cover + TEMPUR-Indulge memory foam + IntelliFlex hybrid support system + reinforced edge support |
| Cooling | Discover resilient adaptive support. |
| Motion isolation | Very good - individually wrapped coils and upper foams keep partner movement controlled |
| Adjustable base | Yes, compatible with adjustable bases |
| Certifications | CertiPUR-US certified foams |
| Warranty | 10-year limited warranty |
| Trial period | 90 days at Mattress Overstock |
Frequently asked questions
How firm is the Lux Hybrid Firm?
About 8 out of 10 — firm support with a hybrid's responsiveness, on the IntelliFlex hybrid core.
What is the IntelliFlex™ hybrid support system?
Stearns & Foster's hybrid coil system — a responsive coil unit under the comfort foam that supports your spine point by point while adding airflow and a firmer edge than all-foam.
How is the Lux Hybrid different from the Estate or Lux Estate?
The Estate and Lux Estate lead with the IntelliCoil coil system; the Lux Hybrid leads with TEMPUR-Indulge memory-foam feel over an IntelliFlex hybrid core. Choose the Lux Hybrid if you love memory foam but want a hybrid's lift and cooling.
Which feel should I choose?
Firm (8/10) for back/stomach sleepers, Medium (5/10) as the universal middle, Soft (4/10) for side sleepers. All three share the same IntelliFlex hybrid build — feel them side by side on our floor.
Does it sleep hot?
Cooler than an all-foam bed of the same feel — the hybrid coil core moves air, and a cooling cover keeps the memory-foam surface comfortable.
How tall is it — will my sheets fit?
14". Deep-pocket sheets (14″+) sit best.
Do I need a special foundation?
No — a sturdy platform, close-slatted base, solid foundation, or compatible adjustable base all work with the hybrid.
What's the warranty?
Stearns & Foster's 10-year limited warranty against manufacturing defects, honored buying from us as an authorized dealer.
Can I see it near me?
Yes — on the floor across our five Kentucky showrooms (Lexington on Nicholasville Road, Georgetown, Somerset, London, Richmond), with its sibling feels for a side-by-side. Free local delivery, old mattress hauled away.
Buy it from people you can actually visit
- Free local delivery To your home across Central & Eastern Kentucky.
- Free setup We place and set up your new bed in the room.
- Free old-mattress haul-away The old one goes out the same day the new one comes in.
Independently owned in Kentucky since 2012. Walk in any day — no appointment — and someone who actually knows the floor will help you find the right fit.
Still deciding?
Try it in person at any Kentucky showroom
Walk into any Mattress Overstock location, lie down, and feel the difference yourself. No appointment, no pressure. Our team has over 100 years of combined mattress experience and we're here to help you find the right fit.
