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Stearns and Foster

Stearns & Foster® Lux Hybrid Soft Mattress

$3,349
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3.79
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Size: Twin XL

Stearns & Foster Lux Hybrid Soft: memory foam meets a responsive coil

The Lux Hybrid Soft is Stearns & Foster's hybrid lane at the Lux level: a plush, memory-foam-rich surface on a responsive hybrid core. It pairs TEMPUR-Indulge memory foam with the IntelliFlex hybrid support system, finished with a reinforced edge and a cooling cover, a 4 out of 10 feel at 15 inches. The Lux Hybrid leads with the memory-foam feel and lets the coils carry the support. If you have spent years deciding between the deep cradle of foam and the lift of a coil bed, this is the build that refuses to make you choose.

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 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 cannot. On your side, the top opens around the shoulder and hip while the coils hold your waist and lower back level. It is the memory-foam experience without the all-foam compromises.

The IntelliFlex difference

IntelliFlex is Stearns & Foster's hybrid support system: a proprietary unit of over 500 pockets housing coils topped with premium memory foam, engineered to respond point by point under the deep comfort layer. That pocketed build lets the surface give under your shoulder while a few inches over it stays supportive under your hip, holding your spine precisely while the foam relieves your pressure points. The wrapped coils also move air the way a solid foam base cannot, which is the real reason this surface sleeps cooler than an all-foam bed of the same feel.

Who it suits, and who it doesn't

This is a side sleeper's bed first: deep cushion for the shoulder and hip while the hybrid coils keep the spine aligned. Memory-foam lovers get the contour they want with a hybrid's lift and cooling, and lighter-weight sleepers tend to suit soft, deep beds like this one. Couples are well served too, with wrapped coils that contain one person's movement and a reinforced edge that makes the whole surface usable. Back sleepers who prefer a soft top can let IntelliFlex carry the support. It is honestly not the right pick for heavier and stomach sleepers, who usually want a firmer surface to keep the hips from dropping; for them the Medium (5 out of 10) or Firm (8 out of 10) in this same line is the better start.

Living with it over time

Motion isolation is very good: the wrapped coils and upper foams absorb movement instead of broadcasting it, so a partner getting up does not pull you out of sleep. The foams are CertiPUR-US certified, and the mattress is handcrafted by Stearns & Foster to a Lux-level standard.

Where it sits in the lineup

The Lux Hybrid comes in three feels (Firm at 8 out of 10, Medium at 5 out of 10, and Soft here at 4 out of 10), all sharing the same IntelliFlex build, so the choice is purely about feel. The Estate and Lux Estate tiers lead with the IntelliCoil coil system instead of the foam; choose the Lux Hybrid Soft if you love memory foam but want a hybrid's lift and cooling, and compare the rest in the full Stearns & Foster lineup. Coming off an all-foam bed that started sleeping hot or going soft at the edges, this is the upgrade that keeps the cradle you liked and fixes what you didn't.

Ten minutes beats ten reviews

You will know in a minute whether memory-foam-on-coils is your feel. The Lux Hybrid Soft is on the floor across all five Kentucky showrooms (Lexington on Nicholasville Road, Georgetown, Somerset, London, and Richmond) with its sibling feels for the honest side-by-side, no appointment needed. Everyone on the Mattress Overstock floor is paid the same no matter which brand you choose, so the guidance is honest and never pushed toward one bed. It is backed by the same 90-night trial Stearns & Foster offers and the brand's 10-year limited warranty, honored when you buy from an authorized dealer. If it turns out not to be your feel, you exchange it for store credit toward any bed of equal or greater value, no cash refund but no restocking traps either. Free local delivery, free setup, and free old-mattress haul-away are standard across the Kentucky service area. Lie on it in Lexington this week, then select your size to see the live Mattress Overstock price.

Size: Twin XL

What makes this mattress different

IntelliFlex™ Hybrid Support

Stearns & Foster's hybrid coil system, over 500 pockets giving point-by-point support and airflow under the deep comfort foam.

Soft Feel, 4 out of 10

A plush, memory-foam-rich surface tuned to a 4 out of 10 on the responsive IntelliFlex hybrid core.

TEMPUR-Indulge™ Memory Foam

A deep, pressure-relieving comfort layer. The Lux Hybrid leads with this foam feel.

Cooler Than All-Foam

The hybrid coil core moves air the way a solid foam base cannot, 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, the brand's flagship craftsmanship in a hybrid.

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.

The build

Lux Hybrid Soft, layer by layer

The Lux Hybrid leads with foam over a responsive coil, layer by layer:

  • Cooling cover. A breathable finish that keeps the memory-foam surface from sleeping warm.
  • TEMPUR-Indulge™ memory foam. The deep, pressure-relieving cradle that defines the feel and opens around your shoulder and hip.
  • IntelliFlex™ hybrid support system. A proprietary unit of over 500 pockets housing coils topped with premium memory foam, responding point by point for support, lift, and airflow.
  • Reinforced edge plus base. Wall-to-wall support and a stable foundation, so the whole surface stays usable.

15 inches tall, soft (4 out of 10), backed by the 90-night trial and 10-year limited warranty.

Inside the build

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.

Tailored quilted coverCushioned top Cushioning comfort foamsPressure relief IntelliCoil® HDCoil-in-coil adaptive support Support baseDense foundation
Who it fits

For the side sleepers who want to sink in without losing support or bounce

Side sleepers, the headline fit: deep memory-foam cushion for the shoulder and hip, with hybrid coils keeping the spine aligned.

Memory-foam lovers: the deep contour you want, with the lift and cooling of a hybrid instead of an all-foam base.

Lighter-weight sleepers: soft, deep beds suit lighter bodies that do not press far into a firmer surface.

Couples: responsive wrapped coils contain one person's movement, and a reinforced edge makes the whole mattress usable.

Back sleepers who want soft: supported by IntelliFlex underneath, plush on top, as long as you like a cushioned surface.

Heavier and stomach sleepers: you will likely want firmer to keep the hips from dropping. Start with the Medium or Firm in this line.

Specifications

Height15"
FeelSoft Hybrid
Firmness4 out of 10 (10 = firmest)
ConstructionCooling cover + TEMPUR-Indulge memory foam + IntelliFlex hybrid support system + reinforced edge support
CoolingDiscover adaptive slumber. This proprietary system features over 500 pockets housing coils topped with premium memory foam.
Motion isolationVery good - individually wrapped coils and upper foams keep partner movement controlled
Adjustable baseYes, compatible with adjustable bases
CertificationsCertiPUR-US certified foams
Warranty10-year limited warranty
Trial period90 days at Mattress Overstock

Frequently asked questions

How firm is the Lux Hybrid Soft?

About 4 out of 10 on the IntelliFlex hybrid core: a plush, memory-foam-rich feel that lets your shoulder and hip settle in.

What is the IntelliFlex™ hybrid support system?

Stearns & Foster's hybrid coil system: a responsive unit of over 500 pocketed coils 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 out of 10) for back and stomach sleepers, Medium (5 out of 10) as the universal middle, Soft (4 out of 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?

15 inches. Deep-pocket sheets rated for 14 inches and up 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 is the warranty, and what if it is not the right feel?

It carries Stearns & Foster's 10-year limited warranty against manufacturing defects, honored when you buy from us as an authorized dealer. Within the 90-night trial, if the feel is not right you exchange it for store credit toward any bed of equal or greater value. There is no cash refund, and no restocking-fee traps either.

What is the trial like?

The same 90-night trial Stearns & Foster offers. Sleep on it at home, and if it is not your feel, exchange it for store credit toward another bed. The fastest way to skip the guesswork is ten honest minutes on it in the showroom first.

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.

Why buy it from Mattress Overstock

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.
90-night trial Sleep on it at home
4.7 from 535 Google reviews · 5 Kentucky showrooms
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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.

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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.