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thermobalance at The Drift
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thermobalance-Layers at The Drift
thermobalance-2 at The Drift
thermobalance at The Drift
thermobalance-carousel-lifestyle2 at The Drift
thermobalance-Layers at The Drift

Brooklyn Bedding

Brooklyn Bedding ThermoBalance

$1,832.00 $1,283.00 Save 30%
+ IN-STORE DISCOUNT
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Size: Twin
Firmness: Soft

Try Brooklyn Bedding & Other Online Mattresses at Our Seattle Mattress Store

The Brooklyn Bedding ThermoBalance is a premium triple-cooling hybrid that earns one of the most impressive third-party endorsements of any mattress in our showroom. At 14" tall with a ThermoCool fiber cover, ThermoPhase PCM foam, copper-infused memory foam layers, and an 8" Ascension Zoned Coil core, it delivers a genuinely balanced rating profile.

It's a particularly strong fit for couples, hot sleepers who want layered cooling, and back and side sleepers who want a well-rounded hybrid without the price of the ThermoBalance Elite. The Elite step-up adds a dedicated zoned lumbar foam layer, taller profile, and denser memory foam -- both are in our showroom for direct comparison.

Our ratings
Pressure Relief 8 / 10
Cooling 7.5 / 10
Support 7.5 / 10
Motion Isolation 8 / 10
Edge Support 7.5 / 10
Ease of Movement 7.5 / 10
Technical Specs
Type Hybrid
Materials ThermoCool fiber cover, 0.75" ThermoPhase PCM foam, quilt foam, copper-infused CopperFlex memory foam, HD 4.0 copper memory foam, VariFlex transition foam, 8" Ascension Zoned Coil core (up to 1,032 coils), supportive base foam
Weight ~100 lbs (queen)
Height 14"
Trial Period & Returns

Sleep on it for up to 120 nights. If it's not the one, we'll arrange a hassle-free pickup for a $99 return fee. A 30-night break-in period is required before initiating a return. See full return policy details.
Size: Twin
Firmness: Soft

MEET THE BROOKLYN BEDDING THERMOBALANCE MATTRESS

Firmness, Construction, and Performance

At The Drift, we take mattresses (and your sleep) seriously. That starts with what your bed is made of and how that translates to its feel and durability. Let's dive in.
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Feel & Firmness

  • Firmness Level: Available in Soft, Medium, and Firm. The Soft suits side sleepers and lighter body weights who want maximum surface give. The Medium is the most versatile starting point for most sleepers and the version most shoppers test first. The Firm is best for back and stomach sleepers who need more hip support and less surface sink. All three are available in our showroom.
  • Feel Description: The ThermoCool cover is immediately cool to the touch, and the ThermoPhase foam just beneath it continues that work through the night. The copper-infused memory foam layers beneath provide a slow, contouring quality that distributes pressure across the body without the deep, enveloping sink of a purely foam-forward mattress. The Ascension Zoned Coil base keeps the feel structured and supported throughout. The overall character across all three firmnesses is cushioned, cool, and balanced.
  • Our Take: The ThermoBalance's even rating profile is the most compelling thing about it. A mattress that scores 7.5 or above across every single category is genuinely rare, and the NapLab 9.26 overall score reflects that consistency. This is not a mattress that excels in one or two areas and trades off in others -- it does everything well. For shoppers who want a premium hybrid without a specific performance priority overriding all others, the ThermoBalance is one of the most straightforward recommendations we make.
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Construction & Materials

Height: 14"

Design: Seven-layer triple cooling hybrid with ThermoPhase PCM and copper-infused memory foam system. Available in Soft, Medium, and Firm. GREENGUARD Gold Certified, CertiPUR-US® certified. Fiberglass-free. Made in the USA.

Layer Breakdown:

  1. ThermoCool Cover: Cool tech fibers woven into the cover fabric remove excess heat from the sleep surface for immediate and sustained cooling from the moment you lie down.
  2. ThermoPhase PCM Foam (0.75"): Phase change material infused directly into the foam layer absorbs and releases heat to regulate sleep temperature throughout the night -- the second stage of the triple cooling system.
  3. Quilt Foam (0.75"): A moisture-wicking quilt layer that adds surface breathability and body impression resistance, keeping the mattress looking and feeling consistent over time.
  4. Copper-Infused Memory Foam (composition varies by firmness): The primary pressure relief layer. On the Soft and Medium, a 1" CopperFlex Memory Foam layer provides immediate surface contouring with antimicrobial copper particles for enhanced heat conductivity. On all firmnesses, a 1.5" HD 4.0 Copper Memory Foam layer adds deeper contouring with a 4lb density that resists permanent compression over time. The Firm substitutes an additional 1" HD 3.6 Memory Foam layer for a denser, less conforming feel.
  5. VariFlex Transition Foam (1"): A responsive transition layer that bridges the memory foam system and the coil core, enhancing contouring and providing balanced support between the two systems.
  6. 8" Ascension Zoned Coil Core (up to 1,032 coils): Individually encased coils with three-zone lumbar support built into the coil configuration -- firmer in the center third under the lumbar region, softer at the head and foot zones. Reinforced perimeter coils support edge integrity across the full mattress surface. Promotes 360-degree airflow through the support core.
  7. Supportive Base Foam (0.75"): Foundational support layer that stabilizes the coil system and extends the mattress's long-term structural durability.

Why It Matters: The triple cooling system addresses three different thermal challenges: the ThermoCool cover handles surface heat at first contact, the ThermoPhase PCM manages sustained heat accumulation through the night, and the copper-infused memory foam promotes conductivity to pull heat away from the body rather than letting it pool in the foam. The 360-degree airflow design -- open-cell foams, individually encased coils, and breathable cover -- supports continuous ventilation through all layers. The result is a coordinated cooling system rather than a single feature carrying all the thermal work. GREENGUARD Gold and CertiPUR-US® certified throughout.

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Our Ratings & Advice

We've tested over 1,000 mattresses in the last 10 years and helped serve better sleep to over 1 million shoppers. Our ratings are born out of lab-based testing and real world evaluations.

Performance Breakdown

CategoryOur RatingSummary
Pressure Relief8 / 10Strong. The copper-infused memory foam layers contour effectively around pressure points across all three firmness levels. The Soft delivers the most enveloping pressure relief; the Medium balances contouring with support; the Firm provides less surface give but maintains meaningful cushioning through the denser foam layers.
Cooling7.5 / 10Very good. The triple cooling system -- ThermoCool cover, ThermoPhase PCM, and copper-infused foam -- delivers layered, sustained temperature regulation that outperforms most standard hybrids. Not quite at the ceiling of what the ThermoBalance LX and LX Elite achieve, but a strong result across all three firmnesses.
Support7.5 / 10Very good. The 8" Ascension Zoned Coil core with built-in lumbar zoning provides solid spinal alignment for back and side sleepers across most body weights. The three firmness options allow more precise calibration of surface support than a single-firmness mattress.
Motion Isolation8 / 10The co-headline strength alongside pressure relief. The copper memory foam layers absorb a meaningful amount of partner movement before it reaches the coil system, and the individually encased coils prevent cross-surface transfer. One of the stronger motion isolation scores we give to a hybrid at this height.
Edge Support7.5 / 10Very good. The reinforced perimeter Ascension coils provide consistent, stable edge support across the full mattress surface. Sleeping near the side and sitting on the edge are both comfortable -- a practical advantage for couples who use the full mattress width.
Ease of Movement7.5 / 10Good. The VariFlex transition foam and Ascension coil system keep the surface responsive enough for natural repositioning throughout the night. The memory foam layers add some resistance compared to a faster hybrid, but overall ease of movement is above average.

Sleep Position Ratings

Very good, particularly in the Soft and Medium. The copper-infused memory foam layers deliver solid pressure relief at the shoulders and hips. Lightweight side sleepers under 130 lbs will find the Soft the strongest option. Average-weight side sleepers will do well in Medium. Heavier side sleepers above 230 lbs may want to compare the ThermoBalance Elite, which adds a dedicated lumbar support foam layer and denser memory foam.

Excellent. The Ascension Zoned Coil system's lumbar zone and the three firmness options together make this one of the more flexible back-sleeper recommendations in our showroom. Medium works for most; Firm is the stronger option for back sleepers at heavier body weights who need more hip support.

Good in the Firm option. The denser foam layers and firmer surface prevent excess hip sink for stomach sleepers at average body weights. The Soft and Medium may allow more hip sink than heavier stomach sleepers need for proper alignment.

Good. The 7.5 ease-of-movement score and responsive transition foam make repositioning manageable throughout the night. The Medium is typically the best firmness for combination sleepers who move between back and side positions. All three options are worth testing in our showroom if you're a regular combination sleeper.

Final Verdict

The Brooklyn Bedding ThermoBalance is one of the most consistently high-performing mattresses we carry -- a triple-cooling hybrid that earns strong marks across every category we rate. Pressure relief and motion isolation lead at 8.0 each, with cooling, support, edge support, and ease of movement all holding at 7.5. Three firmness options make it broadly accessible. For shoppers who want a premium hybrid that does everything well without a single glaring trade-off, the ThermoBalance is one of the most compelling recommendations in our showroom.

Best For

  • ✓ Couples who want meaningful motion isolation from a premium cooling hybrid
  • ✓ Hot sleepers who want a coordinated, layered cooling system rather than a single cooling feature
  • ✓ Back and side sleepers across a range of body weights and firmness preferences
  • ✓ Shoppers who want a well-rounded hybrid without a specific performance priority overriding all others
  • ✓ Those who want ThermoBalance-level cooling and construction at a lower price than the Elite

Not Ideal For

  • ✗ Heavier side sleepers above 230 lbs who may benefit from the Elite's dedicated lumbar foam layer and denser memory foam
  • ✗ Stomach sleepers who need a very firm or extra-firm surface -- compare with the Firm option in-store
  • ✗ Sleepers who want the deepest possible pressure relief -- the ThermoBalance Elite is the step-up there
  • ✗ Those who are highly sensitive to any motion transfer -- a thicker foam-forward mattress will score higher here

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Why Shop Local?

Try Before You Buy — Right Here in Seattle

Visit our Seattle mattress showroom to experience the ThermoBalance across all three firmness options, and compare it directly with the ThermoBalance Elite. Our team will:

  • Walk you through the real differences between the standard ThermoBalance and the Elite so you can assess whether the step-up is worth it for your sleep style and budget.
  • Help you test the cooling system in person -- the layered PCM and copper approach is something that needs to be felt over several minutes to be fully appreciated.

Shopping locally means you're making a decision on a premium hybrid with three firmness options based on how it actually feels -- not how it reads on a spec sheet. The ThermoBalance is one of the best-reviewed mattresses we carry, and the in-store experience is the most efficient way to confirm it's right for you.

Best Price Guarantee

We back every mattress in our Lower Queen Anne showroom with a best price guarantee. Find a lower price anywhere else, whether that's another local mattress store in Seattle or the brand's own website, and we'll match it. You get the benefit of testing mattresses in person without paying more for the convenience.

Decades of Sleep Product Expertise

As one of the most trusted voices in mattress reviews on the web, our recommendations come from real product knowledge, not a commission sheet. When you ask us which mattress fits your sleep style, you're getting an answer grounded in genuine expertise.

Locally Owned, Community Rooted

Unlike the national mattress chains scattered across Seattle, The Drift is locally owned and operated, born and built right here in the Pacific Northwest. We live in this community. Our customers are our neighbors, not just transactions. That means honest recommendations, personal service, and a mattress shopping experience that actually cares whether you leave with the right bed, not just any bed.

Personalized, No-Pressure Guidance

Shopping for a mattress shouldn't feel like a hard sell. At The Drift, our team takes the time to understand your sleep style, health considerations, and preferences before recommending a single mattress. No commission-driven pressure, no pushing whatever's on sale. Just honest guidance aimed at finding the mattress that's actually right for you.