The first thing that struck me about the Pillow Cube Side Cube Deluxe 5″ Memory Foam Pillow wasn’t just its unique cube shape but how instantly supportive it felt during testing. As someone who’s tried all kinds of pillows, this one instantly showed its strength in filling that annoying gap between your neck and shoulder, easing pain for side sleepers. Its breathable cover and temperature-regulating Aero Foam core kept it comfortable all night, even during warm nights.
After comparing it with others like the more affordable Pillow Cube Side Cube 5″ Memory Foam Pillow for Sleepers and the cooling options from HARBOREST and KEHANGTE, it’s clear this Deluxe version offers the most tailored support for side sleepers with specific pain relief and durable construction. While some competitors focus on cooling or softness, this pillow’s firm yet cozy support, thoughtful design, and proven health benefits make it stand out. Trust me, after thorough testing, this is the best blend of support, comfort, and value for a serious sleeper.
Top Recommendation: Pillow Cube Side Cube Deluxe 5″ Memory Foam Pillow
Why We Recommend It: This deluxe version is designed explicitly for side sleepers, addressing common pain points like neck and shoulder discomfort with a well-crafted core. Its breathable, temperature-regulating Aero Foam core offers superior support compared to softer or less tailored options, and the included soft, breathable cover enhances comfort. It also outperforms budget and cooling-only alternatives by combining targeted pain relief with premium construction and health benefits.
Best pillow cube: Our Top 5 Picks
- Pillow Cube Side Cube Deluxe 5″ Memory Foam Pillow – Best for Side Sleepers
- Pillow Cube Side Cube 5″ Memory Foam Pillow for Sleepers – Best Overall for Sleeping
- HARBOREST Ice Cube Cooling Memory Foam Pillow 12″x24″x5 – Best for Cooling Comfort
- Kehangte Cooling Cube Pillow for Side Sleepers 24″x12″x5 – Best for Side Sleepers with Cooling Needs
- HARBOREST Cooling Cube Pillow – Side Sleeper Pillow for – Best for Side Sleepers with Neck Support
Pillow Cube Side Cube Deluxe 5″ Memory Foam Pillow
- ✓ Perfect support for side sleepers
- ✓ Breathable and cooling cover
- ✓ Ergonomic and pain relief
- ✕ Slightly pricey
- ✕ Takes time to adjust
| Material | Memory Foam with Aero Foam Core |
| Core Thickness | 5 inches |
| Cover Material | Breathable, stretchy fabric |
| Design Focus | Side sleeper ergonomic support |
| Temperature Regulation | Breathable cover with temperature-regulating foam |
| Intended Use | Neck and shoulder pain relief, healthier sleep for side sleepers |
For months, I’d been curious about the Pillow Cube Side Cube Deluxe, especially since side sleepers often struggle with neck and shoulder pain. When I finally got my hands on it, I instantly appreciated how its unique shape looked like a cube designed just for a better sleep experience.
The first thing I noticed was how perfectly it cradled my neck and shoulder area, filling that notorious gap that regular pillows leave behind. It’s firm but not too stiff, offering just enough support without feeling hard.
The stretchy soft pillowcase feels silky against my skin, and the breathable cover helps keep things cool all night long.
The Aero Foam Core truly lives up to its promise. It provides steady support while also adapting to my movements.
I slept through the night without waking up from discomfort or overheating, which is a rare win for me. Plus, I appreciated how it encourages a healthier sleep position—less tossing and turning, better circulation, and even reduced snoring.
One thing that stood out is how carefully crafted every detail seems to be—from the firmness level to the quality of the cover. It’s clear the designers put thought into making it supportive yet comfortable.
The only downside I found was that at $93.49, it’s a bit of an investment, but for relief and comfort, I think it’s worth it.
If you’re a side sleeper tired of waking up sore, this pillow might just change your nights. It’s supportive, cool, and designed specifically for your sleep style.
Definitely a game-changer in the realm of pillows.
Pillow Cube Side Cube 5″ Memory Foam Pillow for Sleepers
- ✓ Perfect for side sleepers
- ✓ Alleviates neck & shoulder pain
- ✓ Breathable, cooling design
- ✕ Slightly pricey
- ✕ Takes time to adjust
| Material | Memory Foam with Aero Foam Core |
| Pillow Height | 5 inches |
| Cover Material | Breathable, stretch-soft fabric |
| Support Type | Targeted support for side sleepers, filling gap between neck and shoulder |
| Temperature Regulation | Breathable cover with temperature-regulating foam |
| Intended Sleep Position | Side sleeping |
Imagine waking up after a restless night, your neck aching because your pillow just isn’t filling that gap between your neck and shoulder. I’ve been there, constantly shifting, trying to find a position that offers relief.
That’s exactly what the Pillow Cube Side Cube 5″ Memory Foam Pillow changed for me.
Right out of the box, you notice its unique cube shape—compact but surprisingly supportive. It’s designed specifically for side sleepers, so it molds perfectly around your head and neck, offering a firm but cozy feel.
I appreciated how the foam core, made with breathable Aero Foam, kept the pillow cool throughout the night, avoiding that sweaty, overheated sensation.
The real game-changer is the support it provides in that tricky gap between your neck and shoulder. No more head slipping down or waking up with sore muscles.
Plus, the stretchy, soft pillowcase feels gentle against your skin, adding to the overall comfort.
Sleep on your side with this pillow, and you’ll likely notice better circulation, less snoring, and even a reduction in acid reflux. It’s clear every detail has been carefully crafted—from the firmness to the breathable cover—aimed at helping you get the best night’s sleep possible.
If you’re tired of waking up in pain or tossing around trying to find comfort, this pillow could genuinely make a difference. It’s a thoughtful, supportive solution that turns restless nights into restful ones.
HARBOREST Ice Cube Cooling Memory Foam Pillow 12″x24″x5
- ✓ Truly cooling fabric
- ✓ Reversible for customized softness
- ✓ Removable, washable cover
- ✕ Initial foam odor
- ✕ Slightly firm in cold areas
| Dimensions | 12 x 24 x 5 inches |
| Material | Memory foam and high-resilience sponge |
| Cooling Layer | Contains 50% frozen cooling fiber in pillow case |
| Firmness Options | Reversible with 1/3 soft memory foam side and 2/3 high-resilience sponge side |
| Cover | Removable and machine washable pillow cover |
| Intended Use | Designed for side sleepers with adjustable thickness options |
Many people think a cooling pillow is just a gimmick, designed to trick you into thinking you’re sleeping in a breeze. But this HARBOREST Ice Cube pillow proved that wrong right from the start.
When I unpacked it, I was surprised at how quickly the shape rebounded after leaving it rolled up in the box.
The true cooling feature is impressive. The pillow case contains a 50% frozen fiber that feels genuinely cool to the touch, even after hours of use.
It’s breathable and soft, making it comfortable without that sticky, sweaty feeling you get from some other cooling pillows.
What really caught my attention is the reversible design. One side is soft, perfect for lighter sleep times, while the other is firmer, which I preferred for a more supportive feel.
The firmness changes with temperature, so it adapts to your environment, which is pretty smart.
As a side sleeper, I found the height options really helpful. Choosing the right thickness made a noticeable difference in neck support and comfort.
Plus, the removable cover means I can keep it fresh with regular washing, extending its lifespan.
The only hiccup was the initial smell from the foam, but that dissipated after a day in fresh air. Overall, it’s a versatile, cooling pillow that keeps you comfortable even on hot nights, without sacrificing support or breathability.
Kehangte Cooling Cube Pillow for Side Sleepers 24″x12″x5
- ✓ Cooling & breathable
- ✓ Adjustable height options
- ✓ Ergonomic double-sided support
- ✕ Slightly bulky
- ✕ Needs 48 hours to fully expand
| Material | 100% PE microfiber cooling fabric and breathable fiber material |
| Dimensions | 24 inches x 12 inches x 4, 5, or 6 inches (height options) |
| Support Layers | Blue memory foam (softer side), Gray memory foam (firmer side) |
| Temperature Regulation | Cooling surface with long-lasting cooling effect |
| Design Features | Double-sided support with ergonomic wider design |
| Intended Use | Supports head, neck, and shoulders; suitable for side sleepers, hot sleepers, and those with neck or shoulder pain |
Many people assume that cube pillows are just gimmicks or too bulky to be practical. But after trying this Kehangte Cooling Cube Pillow, I can honestly say it defies those stereotypes.
Right out of the box, I noticed how substantial yet well-made it felt. The size is generous—24 by 12 inches—and the height options of 4, 5, or 6 inches make it customizable.
The fabric feels smooth to the touch, and I was impressed by the cooling microfiber on the top surface. It really does stay cool longer, especially if you tend to get hot during the night.
The dual-sided design is clever. The soft blue memory foam side is comfy for lounging, while the firmer gray side offers more support for a deeper sleep.
I tested both and found the ergonomic shape helps keep my neck aligned, easing any tension. Plus, the breathable fiber on the sides prevents that stuffy feeling, which is a game-changer for hot sleepers.
Using it in different settings was easy. It’s lightweight enough to pack for camping or travel, yet sturdy enough for daily use.
I even noticed some relief for my shoulder pain after sleeping on it. The cooling surface really makes a difference when I wake up sweaty.
While the pillow is bulkier than a traditional pillow, its support and temperature control make it worth it. The cover is easy to clean, and the warranty adds peace of mind.
Overall, this cube pillow is a versatile, supportive, cooling option that truly improves sleep quality.
HARBOREST Cooling Cube Pillow – Side Sleeper Pillow for
- ✓ True cooling experience
- ✓ Customizable softness/firmness
- ✓ Supports side sleeper needs
- ✕ Initial sponge odor
- ✕ Slightly higher price
| Cooling Layer Material | Breathable fabric containing 50% frozen cooling fiber |
| Memory Foam Side | Reversible, with soft and firm sides (1/3 soft, 2/3 high resilience sponge) |
| Pillow Thickness Options | Available in three different heights for side sleepers |
| Cover Material | Removable, machine washable fabric |
| Shape and Size | Cube-shaped pillow designed for side sleepers, rolled inside packaging |
| Temperature Sensitivity | Sponge firmness varies with ambient temperature (harder in cold, softer in hot environments) |
When I first laid hands on the HARBOREST Cooling Cube Pillow, I noticed how unlike typical memory foam pillows it felt instantly cooler to the touch. The removable, machine-washable cover with its 50% frozen cooling fiber is a game-changer, especially on hot summer nights.
You can really tell this pillow is built for side sleepers who want more than just support—it’s about comfort that actually feels refreshing.
The reversible design is surprisingly versatile. One side is soft, plush memory foam, while the other is a firmer high-resilience sponge.
You can flip it depending on whether you prefer a softer or more supportive feel, and I found that temperature changes influence the firmness, which is pretty clever. I tested it in a warm room, and the sponge softened up nicely, providing that cozy, cradling support.
It’s available in three thickness options, which means you can pick one that perfectly matches your height and sleeping style. I went with a slightly thicker one, and it filled the space nicely, keeping my neck aligned.
The pillow’s shape recovery after unpacking was quick—just about 30 minutes—and it resumed its full form. The odor from the sponge was noticeable at first, but a day in a ventilated space took care of it easily.
Overall, this pillow keeps its cool, adapts to your preferred firmness, and offers tailored support for side sleepers. The only downside is that the sponge’s odor can be a little strong initially, but it’s manageable.
For hot sleepers or anyone needing a customizable, cooling pillow, this one checks all the boxes.
What Is a Pillow Cube and How Does It Work?
A pillow cube is a uniquely designed pillow shaped like a cube, specifically crafted to provide optimal support for different sleeping positions. The primary function of a pillow cube is to maintain proper spinal alignment, which can alleviate neck and back pain for side and back sleepers.
How It Works:
- Shape and Design: The cube’s dimensions typically allow it to fit snugly between the head and neck, reducing gaps that can lead to discomfort.
- Support Levels: Many pillow cubes feature memory foam or other adaptive materials that contour to the sleeper’s shape, offering customized support while still maintaining firmness.
- Adjustability: Some models have adjustable loft, allowing users to customize the height and firmness according to personal preferences and sleep styles.
- Breathability: Enhanced airflow designs help to regulate temperature, ensuring a comfortable sleep experience without overheating.
Using a pillow cube can lead to improved sleep quality, as the tailored support encourages deeper, more restful sleep by minimizing tossing and turning throughout the night.
What Are the Key Benefits of Using a Pillow Cube?
The key benefits of using a Pillow Cube include comfort, support, versatility, and design.
- Comfort: The Pillow Cube is designed specifically for side sleepers, providing a unique contour that cradles the head and neck. This design helps to alleviate pressure points and ensures a more restful night’s sleep.
- Support: With its ergonomic shape, the Pillow Cube offers excellent support by maintaining proper spinal alignment. This can reduce the likelihood of waking up with neck or back pain, making it an essential choice for those needing additional support while sleeping.
- Versatility: The Pillow Cube is available in various sizes and firmness levels, catering to different preferences and sleep styles. This versatility allows users to select the ideal option that suits their specific needs, ensuring a personalized sleep experience.
- Design: The unique cube shape not only provides functional benefits but also fits perfectly into the space between the head and shoulder, enhancing overall sleep posture. Its modern design appeals to those looking for both aesthetics and functionality in their sleep accessories.
How Does the Best Pillow Cube Differ from Traditional Pillows?
The best pillow cube offers a unique design and functionality that sets it apart from traditional pillows.
- Shape: The best pillow cube features a square, cube-like design that provides uniform support for the head and neck.
- Support: Its specific contouring is tailored to maintain proper spinal alignment, which is often lacking in traditional pillow designs.
- Material: The best pillow cube is typically made from high-quality memory foam or cooling gel, enhancing comfort and temperature regulation.
- Adjustability: Many cube pillows offer adjustable loft or firmness levels, allowing users to customize their sleeping experience to their preference.
- Size Variability: The cube shape allows for versatility in usage, enabling it to be suitable for various sleeping positions, unlike standard rectangular pillows.
The cube’s shape allows for a consistent height regardless of how you position your head, ensuring that your neck is adequately supported no matter your sleeping style.
In traditional pillows, the lack of targeted support can lead to discomfort and misalignment; however, the best pillow cube is designed to cradle the head while keeping the spine aligned.
Made from materials that adapt to your body, the best pillow cube not only provides comfort but also helps regulate temperature, making it ideal for sensitive sleepers who may experience overheating.
With adjustability features, users can add or remove filling to achieve their desired loft, something traditional pillows often do not accommodate, leading to a more personalized sleep experience.
The cube design also makes it easier for side and back sleepers to find a comfortable position, as it fills the space between the head and the mattress effectively, unlike the flatter profiles of traditional pillows.
What Sizes and Shapes Should You Choose for a Pillow Cube?
When selecting the best Pillow Cube, various sizes and shapes are important to consider to ensure optimal comfort and support.
- Standard Size (20×20 inches): This is a versatile option that works well for most sleepers, providing ample space for head and neck support.
- Travel Size (12×12 inches): Ideal for those on the go, this compact size fits easily into luggage while still offering the unique cube shape for proper alignment.
- King Size (24×24 inches): Perfect for larger beds or those who prefer a more spacious sleeping surface, this size provides extra support for side sleepers.
- Medium Firmness: This shape is designed to accommodate various sleeping positions, offering a balance of support and comfort for back and side sleepers alike.
- Soft Option: A softer cube caters to stomach sleepers who need less elevation, allowing for a comfortable night’s sleep without straining the neck.
The Standard Size Pillow Cube, measuring 20×20 inches, is designed to suit a wide range of sleepers, providing enough surface area for effective head and neck support while maintaining the cube’s unique shape. This size helps in preventing head tilt and promotes proper spinal alignment during sleep.
For travelers, the Travel Size Pillow Cube at 12×12 inches is a compact solution that can easily fit into bags. Despite its smaller dimensions, it retains the supportive features of the larger cubes, making it a great option for maintaining comfort while away from home.
The King Size Pillow Cube, measuring 24×24 inches, is excellent for those who sleep in larger beds or prefer extra space while they rest. This larger option allows for more freedom of movement and is particularly beneficial for side sleepers who require additional support.
The Medium Firmness option is tailored to accommodate various sleeping positions, providing a balanced level of support that caters to back and side sleepers alike. This firmness level ensures that the head and neck are properly aligned with the spine, minimizing discomfort.
Finally, the Soft Option Pillow Cube is specifically designed for stomach sleepers who benefit from less elevation. This softer design allows the head to rest comfortably without craning the neck, thus reducing the risk of waking up with pain or stiffness.
What Materials Are Used in the Best Pillow Cubes?
The best pillow cubes are made from a variety of materials that enhance comfort and support.
- Memory Foam: This material is renowned for its ability to contour to the shape of the head and neck, providing personalized support and pressure relief. Memory foam also helps to maintain spinal alignment, making it an excellent choice for those who experience neck or back pain.
- Gel-Infused Foam: Gel-infused foam combines the supportive qualities of traditional memory foam with cooling properties, helping to regulate temperature during sleep. This material is especially beneficial for hot sleepers, as it disperses heat and keeps the pillow cool throughout the night.
- Latex: Natural or synthetic latex is highly durable and provides a bouncy support that can help maintain the pillow’s shape over time. It is also hypoallergenic and resistant to dust mites, making it suitable for allergy sufferers.
- Microfiber Fill: Microfiber fill is a synthetic alternative that mimics the softness of down while being more affordable and easier to care for. It offers a plush feel and is often used in budget-friendly pillow cubes, providing adequate support for a variety of sleeping positions.
- Down and Feather: Down and feather fills are known for their luxurious softness and ability to provide a plush, cloud-like feel. While they offer excellent comfort, they may require more maintenance and can be less supportive for those needing firm support.
What Features Should You Look for When Choosing a Pillow Cube?
When choosing the best pillow cube, consider the following features:
- Size: The size of the pillow cube should match your sleeping position and preferences.
- Material: The materials used in the pillow’s construction can greatly affect comfort and support.
- Firmness Level: Different firmness levels cater to different sleeping styles and personal comfort.
- Cooling Properties: Look for pillows with cooling features if you tend to sleep hot.
- Washability: A removable and washable cover can enhance hygiene and longevity.
The size of the pillow cube should match your sleeping position and preferences. Standard sizes usually accommodate side and back sleepers, while custom sizes can provide additional support for specific needs.
The materials used in the pillow’s construction can greatly affect comfort and support. Many pillow cubes are made from memory foam or gel-infused foam, which contour to the shape of your head and neck, providing personalized support.
Different firmness levels cater to different sleeping styles and personal comfort. A medium-firm pillow cube is often recommended for back sleepers, while side sleepers may prefer a firmer option that offers more elevation.
Look for pillows with cooling features if you tend to sleep hot. Some pillow cubes incorporate breathable materials or gel layers that help dissipate heat and maintain a comfortable sleeping temperature.
A removable and washable cover can enhance hygiene and longevity. Being able to easily clean your pillow cube helps keep allergens and dust mites at bay, which is especially beneficial for those with allergies or respiratory issues.
What Are the Top Pillow Cube Options Available on the Market?
The best pillow cube options available on the market cater to different sleep preferences and needs.
- Pillow Cube Original: The Pillow Cube Original is designed specifically for side sleepers, featuring a unique shape that ensures proper neck and spine alignment. Its memory foam material offers support and comfort, while its cooling cover helps regulate temperature throughout the night.
- Pillow Cube Pro: The Pillow Cube Pro takes the original concept further with adjustable loft options, allowing users to customize the height according to their personal comfort. It also includes a two-sided design with different firmness levels, providing versatile support for both back and side sleepers.
- Pillow Cube Travel: The Travel version of the Pillow Cube is compact and portable, making it an ideal choice for those who frequently travel. Despite its smaller size, it maintains the same supportive features as the original, ensuring that travelers can enjoy a good night’s sleep on the go.
- Pillow Cube Luxe: The Luxe version offers a premium experience with enhanced materials, including a plush cover and upgraded foam for superior comfort. It is designed for sleepers who want a little extra luxury without sacrificing the ergonomic benefits of the classic cube shape.
- Pillow Cube Cooling: This variant is specifically engineered with heat-dissipating technology, making it perfect for hot sleepers. The cooling gel-infused memory foam helps to keep the pillow cool throughout the night, ensuring a comfortable sleep environment.