7 Best Knee Pillows for Ultimate Comfort

There are many reasons why you might need a knee pillow. If you suffer from sciatica, leg pain, back pain, hip pain, or other joint discomfort caused by injuries, pregnancy, or other health conditions, the right knee pillow can provide the comfort and support you need. These pillows help relieve pressure and improve spinal alignment, making them ideal for both side sleepers and back sleepers. They are also useful for extra support while sitting, reading, or relaxing at home.

To help you find the perfect option, we have compiled a list of the best knee pillows, carefully selecting models that provide exceptional comfort, durability, and ergonomic support. One standout is the Cushy Form Knee Pillow for Side Sleepers, which we believe to be the best knee pillow available. Our list includes both half-moon and contoured knee pillows to cater to different sleep preferences and body types.

We evaluated each knee pillow based on several important factors, including size, cover material, filling type, and overall support level. Below, you will find a comparison table showcasing our top-rated knee pillows, starting with the highest-rated model. You can also read detailed reviews of each pillow, including their pros and cons, specifications, and everything else you need to know before making your choice.

Lastly, don’t forget to check out our knee pillow buying guide, where we break down the key features to consider when choosing the right pillow for optimal comfort and pain relief based on your body type and sleeping position.

Quick Summary

Image	Product	Price
	Cushy Form Knee Pillow for Side Sleepers	Buy on Amazon
	Knee-T Medical Grade Knee Pillow for Side Sleepers	Buy on Amazon
	Cushy Form Knee	Buy on Amazon
	Lenora Half Moon Bolster Pillow	Buy on Amazon
	Cushion Lab Extra Dense Orthopedic Knee Pillow	Buy on Amazon
	Contour Legacy Deluxe Cool Leg Pillow	Buy on Amazon
	Calming Comfort Cooling Knee Pillow	Price

Cushy Form Knee Pillow for Side Sleepers

• Comes with its own travel case
• Machine washable cover
• Provides great pain relief

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The Cushy Form Knee Pillow for Side Sleepers is widely regarded as one of the best knee pillows for sleeping. Designed with quality construction and ergonomic support, this pillow is recommended by physical therapists and sports trainers for its exceptional performance.

Shaped like a wedge, this contour knee pillow is an ideal choice for side sleepers, offering targeted pain relief for conditions such as sciatica, pregnancy discomfort, hip pain, back pain, and spinal misalignment. Made from high-quality memory foam, it gently contours to your body, ensuring optimal comfort and support throughout the night.

Priced reasonably, this knee pillow has received overwhelmingly positive reviews from users, with many reporting life-changing improvements in their sleep quality. It also comes with a convenient travel case, making it easy to take on the go. The removable and machine-washable cover adds to its practicality, ensuring long-term hygiene and durability.

Why Choose This Pillow?

• Includes a travel case for easy portability
• Machine-washable cover for effortless maintenance
• Provides effective pain relief for sciatica, hip pain, and pregnancy discomfort
• Supports spinal alignment and reduces pressure points
• Recommended by medical experts and therapists

Things to Consider

• No strap, which may cause it to shift during sleep
• Less effective for back sleepers due to its contour shape

Despite these minor drawbacks, the Cushy Form Knee Pillow for Side Sleepers remains an outstanding choice for anyone looking to improve sleep posture, relieve pain, and enhance overall comfort while sleeping on their side.

Knee-T Medical Grade Knee Pillow for Side Sleepers

• Breathable bamboo cover
• CertiPUR-US foam
• Lots of sizes to choose from

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The Knee-T Medical Grade Knee Pillow for Side Sleepers is an excellent choice for lower back pain relief, designed with medical precision to provide exceptional comfort and support. Ideal for side sleepers, this pillow features a strap that securely wraps around your ankle, ensuring it stays in place throughout the night.

Crafted with a soft and breathable bamboo cover, this pillow feels smooth and gentle on the skin, adding to its cozy and relaxing feel. Designed by medical professionals, it meets high medical-grade standards, making it one of the most effective solutions for knee, leg, and back pain relief.

Made from CertiPUR-US certified foam, the inner material is eco-friendly, durable, and resilient, maintaining its firmness and shape even after extended use. This ensures consistent support and long-term reliability, making it a great investment for those dealing with chronic pain or discomfort.

Why Choose This Pillow?

• Breathable bamboo cover for added comfort and freshness
• CertiPUR-US certified foam for eco-friendly and safe materials
• Multiple size options to suit different needs
• Adjustable strap keeps the pillow in place for uninterrupted sleep
• Medical-grade construction designed by doctors
• Excellent for pain relief in the knees, legs, and lower back

Things to Consider

• Higher price tag compared to standard knee pillows

While this premium-quality knee pillow is a bit more expensive, its superior durability, medical-grade design, and exceptional comfort make it well worth the investment for those seeking reliable pain relief and proper spinal alignment.

Cushy Form Knee

• Made in America
• Hypoallergenic and washable cover
• Great for back sleepers

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The Cushy Form Knee Pillow is a top-rated option for those seeking comfort and pain relief, particularly for back sleepers. Made in the USA, this high-quality knee pillow is designed with a half-moon, bolster shape, allowing it to fit snugly under the legs for proper spinal alignment and pressure relief.

One of its standout features is its large and wide design, ensuring that it stays securely in place throughout the night. This makes it an excellent choice for back sleepers who need consistent support while they rest. The soft and breathable cover enhances comfort, and it is fully removable and machine washable, making it easy to maintain.

While it does not include cooling gel or airflow-enhancing features, many users report that this pillow remains comfortable throughout the night. Its hypoallergenic cover is an added benefit, making it a great option for those with sensitive skin or allergies.

Additionally, this knee pillow is recommended by doctors and therapists for relieving sciatica, back pain, and leg discomfort. To offer further peace of mind, it comes with a 100% money-back guarantee, ensuring that you can try it risk-free.

Why Choose This Pillow?

• Made in the USA with high-quality materials
• Hypoallergenic and washable cover for easy maintenance
• Great for back sleepers, providing stable leg support
• 100% money-back guarantee for a risk-free purchase

Things to Consider

• Lacks cooling features, which may lead to slight heat retention

Overall, the Cushy Form Knee Pillow is an excellent choice for back sleepers, offering great support, pain relief, and durability while maintaining easy upkeep and reliability.

Lenora Half Moon Bolster Pillow

• Comes with a strap
• Cozy, comfortable cover
• Machine washable

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The Lenora Half Moon Bolster Pillow is a fantastic choice if you’re looking for the best under-knee pillow for back sleepers at a more affordable price point. With its versatile design, this large half-moon bolster pillow fits comfortably under the knees for back sleepers or between the legs for side sleepers, offering customizable support based on your sleep position.

While it doesn’t feature cooling gel—a downside for hot sleepers—it makes up for it with high-quality memory foam that’s both durable and resilient. The foam maintains its shape and firmness over time, offering reliable therapeutic support that improves blood circulation and helps relieve back and hip pain.

The removable and machine-washable cover adds convenience, while the pillow’s generous size ensures it stays in place—even if you move around during the night. Some may find the size a bit bulky, but many users appreciate that it won’t easily shift or get lost under the covers.

The Lenora Half Moon Bolster Pillow also comes with a 30-day satisfaction guarantee, giving you the chance to test its comfort and effectiveness before fully committing.

Why Choose This Pillow?

• Includes a strap to help keep it in place
• Comfortable and soft cover that’s easy to remove
• Machine washable for easy care
• Great for both back and side sleepers
• Larger size is ideal for active sleepers

Things to Consider

• May feel too big for smaller beds or sleepers who prefer compact pillows
• Lacks cooling features for heat-sensitive users

Overall, the Lenora Half Moon Bolster Pillow is a budget-friendly and versatile solution for those looking to ease discomfort and improve posture during sleep. It offers solid support, long-lasting quality, and great value for the price.

Cushion Lab Extra Dense Orthopedic Knee Pillow

• Fully CertiPur-US Certified
• Very comfortable
• Hypoallergenic, washable cover

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The Cushion Lab Extra Dense Orthopedic Knee Pillow is a solid pick for those seeking the best pillow for knee pain, offering great support and comfort at a reasonable price. Designed with a contoured wedge shape, it fits naturally between the knees, making it especially suitable for side sleepers who need proper spinal alignment and pressure relief.

Filled with cozy memory foam, the pillow adapts to the shape of your body, helping to ease discomfort related to joint pain, lower back issues, or sciatica. While a few users noted that the pillow may flatten over time, it still provides a decent lifespan and retains its shape well enough for regular use.

The hypoallergenic cover is another highlight. It’s breathable, soft, washable, and resistant to dirt, helping to keep your pillow clean and fresh with minimal maintenance. The stylish two-tone white and gray design also adds a modern look to your bedding.

Even though the pillow lacks cooling gel or advanced airflow features, it’s still a comfortable and reliable solution for nighttime support. Plus, it comes with a full satisfaction guarantee, so you can try it out risk-free.

Why Choose This Pillow?

• CertiPUR-US certified for safety and quality
• Hypoallergenic and washable cover
• Breathable and dirt-resistant fabric
• Comfortable memory foam that contours to your body
• Satisfaction guarantee included

Things to Consider

• May flatten over time with frequent use
• No cooling gel or temperature-regulating features

Overall, the Cushion Lab Extra Dense Orthopedic Knee Pillow is a comfortable and affordable choice for side sleepers or anyone experiencing knee or lower back pain, offering ergonomic support and peace of mind with its warranty-backed guarantee.

Contour Legacy Deluxe Cool Leg Pillow

• Cooling design
• Versatile shape can work for multiple sleeping positions
• Dynamic memory foam filling

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The Contour Legacy Deluxe Cool Leg Pillow is a versatile and uniquely shaped knee pillow designed to deliver comfort and cooling relief, especially for sleepers dealing with sciatica, hip pain, or joint discomfort. While its ergonomic shape may take a little time to adjust to, it offers outstanding support once you do.

One of its key features is the cooling outer layer combined with a breathable, ventilated memory foam core, which promotes airflow and temperature regulation throughout the night. This makes it a great option for hot sleepers or those who struggle with overheating.

Its dynamic design provides targeted support to both the knees and legs, allowing for better alignment of the spine and hips, and greater freedom of movement compared to bulkier wedge-shaped pillows. This can be especially helpful for side sleepers who move around during the night.

The removable, machine-washable cover ensures easy cleaning and helps maintain hygiene, though it should be noted that the pillow does not include a strap, so it may shift if you’re a restless sleeper. Additionally, the shape might not be ideal for everyone, especially those new to using leg pillows.

Why Choose This Pillow?

• Cooling gel layer and breathable design for night-long freshness
• Unique ergonomic shape supports both knees and legs
• Ventilated memory foam encourages airflow
• Machine washable cover for easy maintenance
• Offers excellent support for sciatica and lower body discomfort

Things to Consider

• No strap, which means it can move during sleep
• Takes time to adjust to its unique shape

All in all, the Contour Legacy Deluxe Cool Leg Pillow is a great choice for anyone looking for a cooling, supportive knee pillow that works for multiple sleep positions. Its innovative design and breathable materials make it stand out among more traditional options.

Calming Comfort Cooling Knee Pillow

• Available in different options
• Cooling gel layer
• Breathable cover

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The Calming Comfort Cooling Knee Pillow is a standout choice for anyone who struggles with overheating or sweating while sleeping with a knee pillow. Designed with a cooling gel layer on the exterior, it offers excellent breathability and heat dissipation, keeping you cool and dry throughout the night—even in warmer conditions.

Its wedge-shaped, contoured design is engineered to provide targeted relief for the knees, hips, and lower back, making it especially effective for side sleepers. It gently aligns the legs and spine to reduce pressure and discomfort. Despite its high-end features, the pillow is very reasonably priced, offering excellent value.

The included breathable mesh cover promotes additional airflow and is removable and machine washable for easy care. A few users noted that the cover can be tricky to put back on after washing, but this is a minor issue compared to the pillow’s overall comfort and performance.

Its size and shape also make it suitable for back sleepers, especially when placed under one leg to provide targeted knee elevation and support. With strong durability and lots of positive feedback, this pillow has quickly become a customer favorite.

Why Choose This Pillow?

• Features a cooling gel layer for all-night temperature control
• Contoured wedge shape delivers pain relief and ergonomic support
• Breathable mesh cover enhances airflow and is machine washable
• Comfortable for both side and back sleepers
• Highly durable materials hold shape well over time
• Offered in multiple options to suit your personal needs

Things to Consider

• The cover may be difficult to reattach after washing

In summary, the Calming Comfort Cooling Knee Pillow is a fantastic choice for anyone in need of a cooling, supportive, and comfortable knee pillow that works across various sleep positions while helping to reduce pain and promote better rest.

Things to Consider

Now that you’ve reviewed the top-rated knee pillows, it’s time to focus on how to choose the best one for your specific needs. This quick buying guide will walk you through the key reasons why a knee pillow can improve your sleep and the essential features to look for before making your purchase.

Whether you’re seeking relief from hip pain, sciatica, joint stiffness, or simply looking for better spinal alignment, choosing the right knee pillow involves more than just comfort—it’s about targeted support, durability, and fit. Let’s break down what to keep in mind as you shop for the perfect knee pillow.

How a Knee Pillow Can Improve Your Sleep

A knee pillow isn’t just for comfort—it’s a practical tool that can make a real difference in your sleep quality and overall physical well-being. Here are some of the top benefits of using a knee pillow:

• Pain Relief
  The most common reason people turn to a knee pillow is to ease pain and discomfort. Whether you’re dealing with sciatica, lower back pain, hip strain, injuries, or pregnancy-related aches, a well-designed knee pillow helps reduce pressure on sensitive areas.
• Improved Alignment
  A quality knee pillow promotes proper spinal alignment by keeping your hips, legs, and spine in a natural position. This is especially helpful for people with posture issues, spinal conditions, or those recovering from injury.
• Comfort and Support
  Even if you don’t suffer from any particular condition, a supportive knee pillow can still provide added comfort and relaxation. It helps reduce strain while you sleep and can enhance your overall restfulness.
• Better Circulation
  Elevating your legs with a knee pillow can improve blood flow, which helps reduce swelling, numbness, and muscle soreness—especially important for those who spend long hours sitting or standing during the day.
• Versatility
  Knee pillows aren’t just for nighttime use. You can use them while lounging on the couch, reading in bed, watching TV, or even meditating. They offer support and comfort wherever and whenever you need it.

In short, a knee pillow is a simple yet powerful accessory that contributes to pain relief, proper body alignment, and more restful sleep—whether you’re a side sleeper, recovering from injury, or just seeking better nighttime comfort.

Features to Consider When Choosing a Knee Pillow

When choosing a knee pillow, there are several important features to keep in mind to ensure you get the best support and comfort for your needs. One of the first things to consider is the shape and design of the pillow. Some pillows are contoured specifically to fit between your knees, while others come in a half-moon or wedge shape for more versatile positioning. The right shape largely depends on your sleeping position and where you need the most support. Another key factor is the filling material. Most high-quality knee pillows are made from memory foam, which molds to the body for personalized comfort while maintaining firm support. Higher-density foams generally offer better durability, and many models now include cooling gel infusions to help regulate temperature during the night.

You should also pay attention to the cover material. Breathable fabrics like bamboo or mesh are ideal for hot sleepers, while softer materials like cotton or microfiber may feel more comfortable but can retain heat. A removable and machine-washable cover is a big plus when it comes to maintenance and hygiene. Size and fit are also important—choose a pillow that suits your body type and sleeping style. If you tend to move around a lot at night, a larger pillow or one with a strap can help keep it in place. For those sensitive to heat, cooling features such as ventilated foam or breathable outer layers will provide added comfort.

Durability matters too. A well-made knee pillow should maintain its shape and performance over time, so look for products with strong customer reviews and quality certifications like CertiPUR-US. Lastly, consider the price and whether the pillow comes with a satisfaction guarantee or warranty. This gives you peace of mind and the chance to test whether it truly meets your expectations.

Shape and comfort

Knee pillows generally come in two main shapes: bolster (half-moon) and contoured (wedge-like) designs. Each has its own advantages depending on your preferred sleeping position. The bolster or half-moon shape is typically better suited for back sleepers, as it can be placed directly under the knees to promote natural spinal alignment. Its flat base rests securely on the mattress, offering stability through the night. On the other hand, the contoured wedge shape is often preferred by side sleepers because it fits comfortably and securely between the thighs or knees, reducing pressure on the hips and lower back. While one shape isn’t necessarily better than the other overall, each caters to specific sleeping styles and physical needs. What matters most is choosing a pillow with a thoughtful ergonomic design that promotes proper alignment and offers consistent comfort and support, such as the highly-rated Cushy Form Knee Pillow for Side Sleepers.

Construction, Materials, and Density

Typically, knee pillows are made from either memory foam or standard polyurethane foam. Memory foam is a popular choice because it contours to your body, adapting to your unique shape and offering personalized support throughout the night. It tends to retain its shape well over time, making it ideal for long-term use. In contrast, regular foam is designed to return to its original shape after each use, offering a more consistent feel but often less body-conforming comfort.

High-quality knee pillows—like the Knee-T Medical Grade Knee Pillow for Side Sleepers—are crafted with dense, durable foam that resists sagging and breakdown, even after months or years of use. It’s also important to consider breathability and cooling features. Some pillows incorporate ventilation holes or gel-infused foam to enhance airflow and prevent heat buildup, while others may lack these features and feel too warm for comfort. If you tend to sleep hot, a cooling layer or breathable cover can make a significant difference in maintaining all-night comfort.

Cover Fabric

Because your knee pillow will be in close contact with your skin throughout the night, the cover fabric plays an important role in your overall comfort. You’ll want a material that is soft, smooth, and breathable to avoid irritation or discomfort. A high-quality cover enhances the sleeping experience by helping to regulate temperature, preventing overheating, and promoting airflow.

For ease of maintenance, look for a cover that is removable and machine-washable, making it simple to keep your pillow clean and fresh over time. Materials like bamboo, mesh, or breathable microfiber are popular choices due to their moisture-wicking and cooling properties. A great example of this is the Calming Comfort Cooling Knee Pillow, which features a breathable mesh cover designed to stay cool all night long while being easy to remove and wash. Prioritizing a well-constructed, hygienic cover will ensure your knee pillow remains both comfortable and practical for nightly use.

Sleeping Position

Your preferred sleeping position plays a key role in determining which type of knee pillow will be most effective for you. Different shapes are designed to support specific postures and help align your spine properly. For instance, bolster-style pillows are ideal for back sleepers, as they fit comfortably under the knees to relieve pressure on the lower back. On the other hand, contoured pillows—like the Cushion Lab Extra Dense Orthopedic Knee Pillow—are better suited for side sleepers, as they rest snugly between the legs to maintain hip and spine alignment.

If you’re a combination sleeper who changes positions during the night, a bolster pillow may be a more versatile choice, as it can adapt to multiple sleeping styles with ease. Additionally, selecting a knee pillow with an adjustable strap can be helpful for any sleeper, especially those who move frequently while resting. A strap keeps the pillow securely in place, ensuring consistent support no matter how much you shift during the night.

Dimensions

The size of your knee pillow can greatly influence your comfort and overall experience during sleep. If you tend to move around frequently at night or prefer a bit more coverage, a larger pillow might be ideal. It offers greater stability and flexibility, reducing the chances of the pillow shifting out of place while you sleep.

On the other hand, a smaller knee pillow—such as the Contour Legacy Deluxe Cool Leg Pillow—is perfect for those who value compactness and portability. Smaller models are less bulky, take up minimal space in bed, and are easier to pack for travel. The choice between large and small ultimately comes down to personal preference, your sleeping style, and how much room you like to have in bed. Consider your habits and bed size to select a pillow that best fits your nightly routine.

Extra Features

Many knee pillows come with thoughtful extra features that can enhance comfort, usability, and convenience. One popular addition is an adjustable strap, as seen in the Lenora Half Moon Bolster Pillow, which allows the pillow to be secured around your legs. This ensures it stays in place throughout the night—especially helpful for active or combination sleepers—preventing shifting and maintaining proper alignment while you sleep.

Other valuable extras to look for include cooling gel layers, which help regulate temperature and prevent overheating, as well as extra pillow covers that let you switch them out easily for washing or style preferences. Some models also come with hypoallergenic, breathable fabrics that cater to sensitive skin or allergy concerns, while a travel case can be a bonus for those who want to take their pillow on the go. These additional features can make a big difference in your overall satisfaction and the longevity of your pillow.

FAQ

Is a firm or soft knee pillow better?
This ultimately depends on your personal preference, but when it comes to pain relief and spinal alignment, a firmer pillow is usually more effective. Soft knee pillows may feel cozy at first, but they tend to flatten under pressure, which reduces their ability to keep your legs, hips, and spine properly aligned. A firmer pillow offers more reliable support, especially for those with sciatica, joint pain, or back issues. If you’re choosing between two options, the firmer one is generally the better choice for lasting support.

Can I wash my pillow?
Most knee pillows themselves are not machine washable, especially if they’re made of memory foam, which can be damaged by water or heat. However, good quality knee pillows typically come with removable, machine-washable covers for easy maintenance. These covers can and should be washed regularly—at least once a month, or more often if needed—to maintain cleanliness and hygiene.

Should I place a knee pillow under or between the legs?
You can use your knee pillow either between your legs or under your knees, depending on your sleeping position and personal needs. Side sleepers benefit most from placing the pillow between the knees, which helps keep the hips and spine aligned. Back sleepers, on the other hand, may prefer placing the pillow under the knees to relieve pressure on the lower back. Try both positions to see which provides the best comfort and support for you.

Our Verdict

After reviewing the top options on the market, our top pick is the Cushy Form Knee Pillow for Side Sleepers. With its high-quality memory foam construction, it offers an excellent balance of firmness, support, and comfort, making it ideal for easing back, hip, and leg pain. Its ability to maintain its shape over time and provide consistent relief makes it a standout choice for those seeking dependable nighttime support.

Another strong contender is the Knee-T Medical Grade Knee Pillow for Side Sleepers, which earned the third spot on our list. Designed by medical professionals, this pillow offers superior ergonomic design and is especially well-suited for side sleepers. The adjustable strap ensures it stays in place all night, while the breathable bamboo cover keeps you cool and comfortable. If you’re looking for a medically-backed option that won’t shift during the night, the Knee-T is an excellent investment.