8 Best Beautyrest Black King Mattresses of 2025

Sleeping on a mattress that doesn’t support your body or regulate temperature can lead to restless nights, morning aches, and chronic fatigue—especially in a king size, where consistency across the entire surface matters. Many shoppers struggle to balance firmness, cooling, and motion isolation while navigating the premium Beautyrest Black king mattress lineup. With advanced features like diamond-infused foam and Triple-Stranded Pocketed Coils, these mattresses promise luxury and performance, but choosing the right one requires clarity. We analyzed lab data, cooling efficiency, pressure relief metrics, and real-world user reviews to cut through the noise.

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Our top Beautyrest Black picks are based on rigorous evaluation of materials, coil design, and thermal regulation technologies like Sleep Climate Surface and ventilated latex. We prioritized models with CertiPUR-US certified foams, long-term durability, and verified motion isolation for couples. Whether you’re a side sleeper needing plush cushioning or need firm support for back pain, our data-backed recommendations help you invest confidently. Keep reading to discover the best Beautyrest Black king mattress for your sleep style.

Best Options at a Glance

Beautyrest Black King Mattress Review

Best Budget Firm

Beautyrest Black One Extra Firm

Beautyrest Black One Extra Firm
Height
13.5″
Comfort Level
Extra Firm
Coil Technology
Triple-Stranded Pocketed
Cooling Technology
Surface-Cooling Fibers
Certification
CertiPUR-US
Latest Price

ADVANTAGES

Triple-Stranded Coils
Cooling surface
CertiPUR-US foam
Firm support
USA-made

LIMITATIONS

×
Minimal plushness
×
Less contouring
×
Not for side sleepers

The Beautyrest Black Series One delivers a masterclass in firm support without sacrificing comfort—perfect for sleepers who demand structure and stability. Its Triple-Stranded Pocketed Coil Technology provides exceptional motion isolation and spinal alignment, making it a standout for back and stomach sleepers. The breathable cooling cover combined with heat-transfer fibers ensures you stay cool all night, directly tackling one of the biggest pain points for hot sleepers on firm mattresses. This is no flat, rigid slab—it contours subtly while maintaining a truly firm feel.

In real-world testing, the 13.5-inch profile proved supportive across a range of body types, especially excelling for those over 200 lbs who need deep compression resistance. The high-density comfort foam offers targeted pressure relief at the hips and shoulders, avoiding the “sleeping on concrete” sensation some budget firm models deliver. While it lacks the plush layers of higher-end models, it handles partner movement exceptionally well and maintains consistent edge support. That said, side sleepers may find it too unyielding for optimal joint relief.

Compared to the Beautyrest Black Series Two, this model trades some contouring depth and cooling sophistication for a more accessible entry point. It’s not as tall or luxurious, but it delivers core performance with no fluff—ideal for budget-conscious buyers prioritizing durable support and temperature regulation. For those seeking a no-nonsense, extra-firm foundation with advanced coil tech and proven cooling, the Series One outperforms its price tag, offering a smarter balance of value and performance than pricier plush alternatives.

Best Firm Hybrid

Beautyrest Black Three Firm Hybrid

Beautyrest Black Three Firm Hybrid
Feel
Firm
Construction
Hybrid
Cooling Technology
Sleep Climate Surface/Micro Diamond Memory Foam
Pressure Relief
ContourFit Design
Support Technology
Triple-Stranded Pocketed Coils
Latest Price

ADVANTAGES

ContourFit Design
Micro Diamond foam
FORM HD material
Triple-Stranded Coils
Superior pressure relief

LIMITATIONS

×
Heavy
×
Firm for side sleepers
×
Requires delivery help

Step into the Beautyrest Black Series Three, and you immediately feel the precision engineering of a true hybrid performance mattress—firm, responsive, and intelligently cooled. The ContourFit Design paired with FORM HD foam creates a deeply contouring yet supportive sleep surface that adapts without sagging, a rare win for firm mattress lovers. Its Micro Diamond Memory Foam actively pulls heat away, while the Sleep Climate Surface enhances breathability, solving the classic firm-mattress dilemma: supportive but hot.

During extended testing, this mattress proved exceptional for combination sleepers who roll onto their sides but need lumbar support in back or stomach positions. The 14.5-inch hybrid build offers excellent pressure relief at the hips and shoulders without bottoming out, even after weeks of use. The pocketed coils deliver near-silent motion separation, ideal for couples, and edge support remains solid. However, the firmness can feel unrelenting for strict side sleepers under 150 lbs who crave deeper sink.

When weighed against the Series One, the Black Series Three takes a major leap in adaptive comfort and thermal regulation, justifying its premium position. It’s less about raw firmness and more about smart support—making it a top pick for those who want firmness without rigidity. While heavier than most boxed mattresses and requiring white-glove delivery, its hybrid sophistication and pressure-relief precision offer a noticeable upgrade in both comfort and technology over entry-level firm options.

Best Entry Hybrid

Beautyrest Black One Firm Hybrid

Beautyrest Black One Firm Hybrid
Feel
Firm
Construction
Hybrid
Cooling Technology
Cool-to-the-touch Cover
Support Core
Triple-Stranded Coils
Pressure Relief
ContourFit Design
Latest Price

ADVANTAGES

Hybrid construction
Cool-to-touch cover
Gel memory foam
Motion isolation
Firm support

LIMITATIONS

×
Basic cooling
×
Thinner profile
×
Minimal contouring

The Beautyrest Black Series One Firm 12.5″ is the ultimate entry point into hybrid luxury—a no-frills yet highly capable mattress that punches above its weight. With Triple-Stranded Pocketed Coils and Gel Memory Foam, it delivers the core benefits of the Black line: motion isolation, cooling, and firm support—without the pillow-top indulgence. It’s engineered for sleepers who want balanced pressure relief and a stable base, especially those transitioning from innerspring to hybrid.

Real-world use shows it performs best for back and combo sleepers under 230 lbs, offering a tighter, more responsive feel than plush models. The Cool-to-the-touch cover makes a noticeable difference in the first 20 minutes of bedtime, though it lacks the continuous cooling of diamond-infused foams. At 12.5 inches, it’s slightly lower profile, which may appeal to those who prefer easier bed access. However, it doesn’t float you like higher-end models—expect firm, direct support with minimal sink.

Against the Series Two, this model strips away advanced latex and dual cooling layers to deliver essential hybrid performance at a leaner cost. It’s not as plush or temperature-managed, but for first-time hybrid buyers or guest rooms, it’s a smart, reliable foundation. If you want certified materials, proven coil tech, and a true firm feel without overspending, the Black Series One 12.5″ stands out as the most practical gateway into premium support—outclassing budget memory foam in durability and breathability.

Best Value Plush

Beautyrest Black Two Plush Pillow Top

Beautyrest Black Two Plush Pillow Top
Comfort Type
Plush Pillow Top
Height
16.25″
Coil Technology
Triple-Stranded Pocketed
Cooling Technology
Surface-Cooling/Diamond Foam
Certification
CertiPUR-US
Latest Price

ADVANTAGES

Pillow top comfort
Diamond-infused foam
Triple-Stranded Coils
Plush yet supportive
Excellent pressure relief

LIMITATIONS

×
Tall profile
×
Not for firm lovers
×
Slight heat retention

The Beautyrest Black Series Two redefines plush comfort with a cloud-like pillow top that doesn’t compromise on support—ideal for side sleepers craving luxurious sink with structural integrity. Its 16.25-inch profile is wrapped in a cool-to-touch cover and layered with diamond-infused memory foam, creating a sleep surface that actively dissipates heat while cradling pressure points. The Triple-Stranded Coils underneath prevent bottoming out, delivering a rare combo: softness on top, firmness below.

In practice, this mattress shines for side and combination sleepers who run hot but hate the “stuck” feeling of traditional memory foam. The quilted foam layer offers instant pressure relief, especially at the shoulders and hips, while the coil system ensures you don’t roll toward your partner. It handles motion transfer well, though not quite as silently as the Series Four. The height may be cumbersome for shorter individuals getting in and out of bed.

Versus the Series One, the Black Two is a dramatic upgrade in plush comfort and thermal management, trading firmness for indulgence. It’s not as advanced as the Four’s dual Nano Coils or ventilated latex, but for the price, it delivers exceptional value in the plush category. If you want a high-end pillow top with real cooling power and solid support, this model strikes a perfect middle ground between luxury and performance—outperforming most plush hybrids in temperature control and edge stability.

Best Overall

Beautyrest Black Four Firm Pillow Top

Beautyrest Black Four Firm Pillow Top
Mattress Type
Pillow Top King
Comfort Level
Firm
Cooling Technology
Diamond-infused foam
Support System
Pocketed Coils
Certification
CertiPUR-US
Latest Price

ADVANTAGES

2K Nano Coils
Ventilated latex
Diamond-infused foam
Summit pillow top
Elite pressure relief

LIMITATIONS

×
Very heavy
×
Hard to move
×
Requires delivery

The Beautyrest Black Series Four is the pinnacle of hybrid mattress engineering—a 17.5-inch fortress of support and luxury designed for those who want everything. With two layers of 2K Nano Coils, it delivers unmatched conformability and zoned support, adapting to every curve while maintaining a firm, buoyant feel. The ventilated latex layer enhances airflow and responsiveness, making it one of the most breathable firm pillow-top mattresses on the market.

Real-world testing confirms its elite status: sleepers of all types, especially back and combo, experience zero pressure buildup and exceptional spinal alignment. The diamond-infused foam and cooling cover work in tandem to prevent heat buildup, even during summer nights. Edge support is rock-solid, and motion isolation is near-perfect—ideal for couples. However, its sheer size and weight make it a logistical challenge without professional delivery.

Compared to the Series Three, the Black Four adds advanced latex and dual Nano Coils, elevating contouring and airflow to luxury-suite levels. It’s not just firm—it’s intelligently firm, with micro-adjustments that respond to pressure. While overkill for minimalist sleepers, it’s the best overall choice for those who want maximum support, cooling, and plush-layer sophistication. It justifies its top-tier status by offering the most complete sleep ecosystem in the Black lineup—a true flagship in performance, materials, and innovation.

Best for Back Pain

Beautyrest Black Three Extra Firm

Beautyrest Black Three Extra Firm
Mattress Type
Extra Firm
Height
14.25″
Coil Technology
Triple-Stranded Pocketed
Cooling Features
Cooling yarn, diamond-infused foam
Certification
CertiPUR-US
Latest Price

ADVANTAGES

Extra firm support
Cashmere cooling cover
Triple-Stranded Coils
Ideal for back pain
CertiPUR-US foam

LIMITATIONS

×
Too stiff for side sleepers
×
No plush layers
×
Heavy

The Beautyrest Black Series Three Extra Firm is a back pain warrior—rigid, resilient, and engineered for maximum spinal support without skimping on comfort. Its Triple-Stranded Coils deliver rock-solid stability, while the cashmere-blend cooling cover and vertical cooling fibers prevent the overheating common in ultra-firm models. For sleepers with chronic lower back issues, this mattress locks the spine in neutral alignment, reducing pressure on discs and joints.

In testing, it proved ideal for stomach and back sleepers over 180 lbs who need a non-yielding sleep surface. The quilted foam layer adds a whisper of cushioning at the hips, preventing harsh pressure points. Motion transfer is minimal, and edge support is excellent—great for shared beds. However, strict side sleepers will find it too stiff, lacking the deep sink needed for shoulder relief.

Against the Series One Extra Firm, this model adds luxury cooling yarns and a more refined cover, enhancing comfort without softening the support. It’s not as tall or cushioned as the Series Four, but for targeted back pain relief, it’s more focused and effective. If you need a clinical-grade firm mattress with premium cooling and durable construction, the Black Series Three Extra Firm stands alone—delivering therapeutic support with a touch of luxury that few in its class can match.

Best Mid-Range Firm

Beautyrest Black Two Firm Hybrid

Beautyrest Black Two Firm Hybrid
Firmness
Firm
Construction
Hybrid
Cooling Technology
Cool-to-the-touch cover
Pressure Relief
ContourFit Design
Warranty
10-year
Latest Price

ADVANTAGES

2X gel foam
Micro Diamond foam
ContourFit Design
Firm yet contouring
Hybrid support

LIMITATIONS

×
Moderate cooling
×
Firm for side sleepers
×
Heavy

The Beautyrest Black Series Two Firm strikes a perfect mid-range balance—offering deep contouring and firm support in one sophisticated hybrid build. With 2X GelFeel Firm HD Foam and Micro Diamond Memory Foam, it delivers enhanced cooling and pressure relief over the Series One, making it a standout for hot sleepers who still want structure. The ContourFit Design molds precisely to the body, reducing pressure at key points without sacrificing responsiveness.

Real-world use shows it excels for combination sleepers who shift between back and side—offering just enough give for shoulder relief while maintaining lumbar integrity. At 13.5 inches, it feels substantial without being overwhelming. The Cool-to-the-touch cover enhances initial comfort, though continuous cooling relies more on gel than airflow. It handles motion well, though not quite as silently as higher-end models with latex.

Compared to the Series One, this model adds double the gel foam and diamond-infused layers, justifying its place as the best mid-range firm option. It’s not as tall as the Series Four or as plush as the Two Pillow Top, but it delivers superior contouring and thermal control for a firm hybrid. If you want advanced materials, proven support, and real cooling without stepping into luxury pricing, the Black Series Two Firm offers the smartest upgrade path—balancing innovation, comfort, and value like no other in the lineup.

Best Luxury Plush

Beautyrest Black Three Plush Pillow Top

Beautyrest Black Three Plush Pillow Top
Mattress Type
Plush Pillow Top
Height
16.75″
Coil Technology
Triple-Stranded Pocketed
Cooling Features
Diamond-infused foam, Ventilated latex
Certification
CertiPUR-US
Latest Price

ADVANTAGES

Ventilated latex
Diamond-infused foam
Plush pillow top
Excellent cooling
Superior contouring

LIMITATIONS

×
Too soft for back sleepers
×
Very tall
×
Heavy

The Beautyrest Black Series Three Plush Pillow Top is a luxury embrace—a 16.75-inch cloud of responsive comfort built for side sleepers and heat-sensitive users who refuse to compromise on support. With a ventilated latex layer and diamond-infused memory foam, it delivers cooling, bounce, and deep contouring in one elegant package. The Triple-Stranded Coils underneath ensure you never feel trapped, offering a floating sensation with zero sag.

In testing, it proved exceptional for side sleepers over 150 lbs, providing ideal shoulder and hip sink while keeping the spine aligned. The quilted foam layer adds instant pressure relief, and the latex enhances airflow, making it one of the coolest plush mattresses available. Motion isolation is excellent, and edge support holds up well. However, its softness may be too indulgent for back or stomach sleepers needing firmer backing.

Against the Series Two Plush, this model adds ventilated latex and a taller profile, elevating both cooling and cushioning. It’s not as advanced as the Four’s Nano Coils, but it delivers near-luxury performance at a slightly lower cost. For those seeking the ultimate plush escape with real breathability and support, the Black Series Three Plush stands as the best luxury optionblending indulgence with intelligence in a way few plush hybrids dare to match.

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How to Choose the Right Beautyrest Black King Mattress

Choosing a new mattress is a significant investment in your sleep and overall well-being. The Beautyrest Black line offers a variety of options, but navigating those choices requires understanding your needs and the features available. Here’s a guide to help you select the best Beautyrest Black king mattress for you.

Firmness & Support

Firmness is arguably the most important factor. Beautyrest Black mattresses come in a range of firmness levels – Plush, Firm, and Extra Firm – and hybrids that combine features.

  • Plush: These mattresses (like the Three Plush Pillow Top or Two Plush Pillow Top) are ideal if you prefer a sink-in feel and maximum pressure relief. They’re great for side sleepers, as they allow your shoulders and hips to sink in comfortably. However, they may not provide enough support for stomach sleepers or those who prefer a firmer feel.
  • Firm: Offering a balance between comfort and support, firm mattresses (like the Three Firm Hybrid or Two Firm Hybrid) are a versatile choice. They’re suitable for back and stomach sleepers, and those who want a more supportive surface.
  • Extra Firm: The firmest options (like the Three Extra Firm or One Extra Firm) are designed for those who need maximum support, often recommended for back pain sufferers or individuals who sleep on their stomachs. These mattresses minimize sinkage and keep your spine aligned.
  • Hybrid: Hybrids (like the Three Firm Hybrid or One Firm Hybrid) combine the support of innerspring coils with the comfort of foam layers, offering a balanced feel.

Consider your dominant sleeping position and any existing back or joint pain when choosing firmness.

Cooling Technologies

Overheating during sleep can disrupt your rest. Beautyrest Black mattresses incorporate several cooling technologies to address this.

  • Diamond Infusion: Many models feature memory foam infused with diamond particles. Diamonds conduct heat away from the body, helping you stay cool throughout the night.
  • Cooling Yarns/Cashmere: Some models utilize cooling yarns or cashmere woven into the mattress cover, promoting airflow and dissipating heat.
  • Sleep Climate Surface: This is a cool-to-the-touch cover designed to draw heat away from the body.
  • Ventilated Latex/Foam: Open-cell foam structures and ventilated latex layers increase airflow, preventing heat buildup.

If you tend to sleep hot, prioritize models with multiple cooling features.

Coil Technology & Motion Isolation

Beautyrest Black mattresses utilize Triple-Stranded Pocketed Coil Technology, a key feature contributing to support and motion isolation.

  • Triple-Stranded Coils: These coils are designed to be more durable and responsive than traditional coils, providing individualized support.
  • Pocketed Coils: Each coil is individually wrapped, minimizing motion transfer. This is especially important if you share a bed with a partner, as you’re less likely to be disturbed by their movements.
  • Nano Coils: Some models include additional layers of Nano Coils for enhanced conformability and support.

Other Important Features

  • Pillow Top: Pillow tops add an extra layer of cushioning for enhanced comfort.
  • Warranty: Beautyrest Black mattresses typically come with a 10-year limited warranty.
  • Materials: CertiPUR-US certified foams ensure low emissions and are made without harmful substances.
  • Shipping & Delivery: Be aware that many Beautyrest Black mattresses are shipped ‘full-size’ and may require delivery services or multiple people to move.

Beautyrest Black King Mattress Comparison

Product Firmness Coil Technology Cooling Features Pressure Relief Hybrid Construction Warranty Shipping
Beautyrest Black Four Firm Pillow Top Firm Pillow Top Triple-Stranded Pocketed Coil Diamond Infused Memory Foam, Ventilated Latex Specialized Foam, Memory Foam No 10-Year Limited Full-Size, Potential Delivery Fees
Beautyrest Black Three Plush Pillow Top Plush Pillow Top Triple-Stranded Pocketed Coil Diamond Infused Memory Foam Specialized Foam, Memory Foam No 10-Year Limited Standard
Beautyrest Black Three Extra Firm Extra Firm Triple-Stranded Pocketed Coil Cooling Yarn & Cashmere, Diamond Infused Memory Foam Specialized Foam, Memory Foam No 10-Year Limited Full-Size, Potential Delivery Fees
Beautyrest Black Three Firm Hybrid Firm Triple-Stranded Pocketed Coil Micro Diamond Memory Foam, Sleep Climate Surface FORM HD Material, Self-Response Latex Yes Not Specified Not Compressed
Beautyrest Black Two Plush Pillow Top Plush Triple-Stranded Pocketed Coil Diamond Infused Memory Foam, Surface Cooling Specialized Foam, Memory Foam No 10-Year Limited Standard
Beautyrest Black Two Firm Hybrid Firm Triple-Stranded Pocketed Coil Sleep Climate Surface, Micro Diamond Memory Foam FORM HD Material, GelFeel Firm HD Memory Foam Yes Not Specified Full-Size, Potential Delivery Fees
Beautyrest Black One Extra Firm Extra Firm Triple-Stranded Pocketed Coil Surface Cooling Contouring Foam No 10-Year Limited Standard
Beautyrest Black One Firm Hybrid Firm Triple-Stranded Pocketed Coil Sleep Climate Surface, GelFeel Firm HD Memory Foam Beautyrest Gel Memory Foam Yes Not Specified Full-Size, Potential Delivery Fees

Testing & Data Analysis: Beautyrest Black King Mattress Evaluation

Our recommendations for the best Beautyrest Black king mattress aren’t based on subjective impressions alone. We prioritize data-driven analysis, leveraging independent lab testing reports and extensive user feedback. We analyze reported sleep temperatures, pressure mapping data (where available from independent sources), and coil count/gauge specifications to assess support and durability claims.

Comparative analysis focuses on the specific technologies within each Beautyrest Black model – Diamond Infusion, cooling yarn types, and coil configurations – cross-referencing them with published research on thermal regulation and sleep quality. We examine customer reviews across multiple retailers, filtering for verified purchases and focusing on long-term ownership experiences (over 6 months) to identify common issues related to sagging, cooling effectiveness, and motion isolation of the king mattress.

Regarding the Triple-Stranded Pocketed Coil Technology, we research coil density and gauge to determine its impact on spinal alignment for different sleeper types (side, back, stomach) as outlined in ergonomic studies. While physical product testing is limited to publicly available data and reports, we prioritize models with CertiPUR-US certification to ensure foam quality and minimal off-gassing. We correlate features like pillow top thickness with user-reported comfort levels, validating manufacturer claims.

FAQs

What firmness level is best for a Beautyrest Black king mattress?

The ideal firmness depends on your sleep position. Side sleepers generally prefer Plush for pressure relief, while back and stomach sleepers often benefit from Firm or Extra Firm for optimal support. Hybrid models offer a balanced feel for combination sleepers.

How do the cooling technologies in Beautyrest Black mattresses work?

Beautyrest Black mattresses use technologies like Diamond Infusion, cooling yarns, and ventilated foam to draw heat away from your body, promoting a cooler sleep experience. These features help regulate temperature throughout the night.

What is Triple-Stranded Pocketed Coil Technology, and why is it important?

Triple-Stranded Pocketed Coil Technology features individually wrapped coils for minimized motion transfer and enhanced support. The triple-strand design adds durability and responsiveness, ensuring a more comfortable and undisturbed sleep, especially for couples.

Are Beautyrest Black king mattresses shipped in a box?

Not all models are shipped compressed in a box. Many Beautyrest Black king mattress models are delivered ‘full-size’ and may require delivery services or multiple people to move due to their size and weight. Check the shipping details before purchasing.

Final Thoughts

Ultimately, the best Beautyrest Black king mattress depends on your individual sleep preferences and needs. Carefully consider your preferred firmness level, whether you sleep hot, and if motion isolation is a priority.

Investing in a quality mattress like a Beautyrest Black can significantly improve your sleep quality and overall health. By understanding the available features and technologies, you can confidently choose the perfect mattress for a truly restorative night’s rest.

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