If you’re looking for the best memory-foam seat cushions for coccyx comfort in 2025, I’ve found some excellent options designed for pain relief and support. These cushions feature ergonomic shapes like U-shapes or hollow designs that help reduce pressure and improve posture. Made with high-density, durable foam and breathable covers, they’re suitable for office chairs, cars, or travel. Keep exploring to discover the top picks that match your needs and enhance your sitting experience.
Key Takeaways
- Prioritize cushions with ergonomic contours, coccyx cutouts, and raised sides for optimal coccyx and spinal support.
- Choose high-density, breathable memory foam for long-lasting shape retention and comfort.
- Ensure removable, washable covers made from breathable fabrics for easy maintenance and hygiene.
- Look for non-slip bases or stabilizers to prevent shifting during extended use.
- Consider portability features like handles or foldable designs for versatile use in office, car, or travel settings.
TushGuard Seat Cushion for Sciatica and Hip Pain Relief
If you suffer from sciatica or hip pain caused by prolonged sitting, the TushGuard Seat Cushion is an excellent choice because it’s designed to provide targeted relief. Made of 100% pure memory foam, it’s soft yet firm, molding to your body heat for personalized comfort. Its ergonomic U-shaped hollow design supports your coccyx and relieves hip pressure. The cushion quickly rebounds to maintain its shape and adds height to your seat, promoting better posture. With a non-slip rubber bottom and breathable, machine-washable cover, it’s easy to use and clean. Whether at work, in the car, or traveling, this cushion offers effective support and comfort.
Best For: individuals experiencing sciatica, hip, or coccyx pain from prolonged sitting who need targeted ergonomic support for improved comfort and posture.
Pros:
- Made of 100% pure memory foam that adapts to body heat for personalized comfort and maintains shape over time.
- Ergonomic U-shaped hollow design effectively supports the coccyx and relieves hip pressure.
- Non-slip rubber bottom and breathable, machine-washable cover enhance stability and ease of maintenance.
Cons:
- May be too firm for those preferring softer cushions.
- Size and shape might not fit all chair types perfectly.
- Might require periodic fluffing or adjustment to retain optimal shape after extended use.
Memory Foam Seat Cushion for Back Pain and Sciatica
Are you tired of persistent back pain or sciatica ruining your day? I’ve found that a memory foam seat cushion designed for back support can make a real difference. It features an ergonomic wedge-shaped cutout that relieves pressure on your lower back and promotes better blood flow. Made with high-quality memory foam, it distributes your body weight evenly, helping restore your natural lumbar curve and improve posture. Its versatility means I can use it on office chairs, car seats, or even on the sofa. Plus, the removable, washable cover keeps it fresh. It’s a simple, effective way to reduce pain and stay comfortable throughout the day.
Best For: individuals experiencing back pain, sciatica, or needing extra support during prolonged sitting in various settings such as office, car, or home.
Pros:
- Ergonomic wedge-shaped cutout relieves pressure and promotes blood flow.
- Made from high-quality memory foam that evenly distributes body weight.
- Removable, washable cover for easy maintenance and long-term freshness.
Cons:
- May take some time to fully adapt to the contouring of the cushion.
- Might not provide sufficient support for very heavy or large individuals.
- Limited color options may not match all decor styles.
Everlasting Comfort Memory Foam Seat Cushion for Office and Car
The Everlasting Comfort Memory Foam Seat Cushion is an excellent choice for anyone who spends long hours sitting, whether at an office desk or behind the wheel. Its ergonomic U-shaped coccyx cutout helps promote proper spinal alignment and relieves tailbone, sciatica, and back pain. Made from high-quality memory foam, it provides firm yet comfortable support that contours to your body. Its versatile design fits most chairs, car seats, and wheelchairs, making it perfect for work, travel, or medical appointments. The breathable, washable cover keeps you cool, while its durable construction ensures lasting support. Many users experience significant pain relief and improved posture with consistent use.
Best For: individuals who spend long hours sitting at a desk, driving, or in wheelchairs, seeking pain relief and improved posture.
Pros:
- Ergonomically designed with a U-shaped coccyx cutout for targeted tailbone and lower back support
- Made with high-quality memory foam that conforms to body contours for all-day comfort
- Compatible with most chairs, car seats, and wheelchairs, and features a breathable, washable cover
Cons:
- May sink or wear out after 3-4 months with regular use, especially on certain materials like pleather
- Foam cannot be washed in a machine or dryer; only the cover is removable and washable
- Some users find the size small for larger body types and report possible slipping or loss of support over time
SAIREIDER Office Chair Cushion, Memory Foam Coccyx Cushion
Designed for those who spend long hours sitting, the SAIREIDER Office Chair Cushion with memory foam provides exceptional support and pressure relief. Its ergonomic U-shaped cutout suspends the coccyx, easing pressure on the tailbone, back, and legs while promoting good posture. Crafted from high-density memory foam, it feels soft yet supportive—like sitting on a balloon—making it ideal for prolonged use. The removable, washable cover features a hidden zipper, and a non-slip bottom ensures stability. Lightweight and portable, with a side handle, it’s perfect for office, car, or travel. Many users report relief from tailbone pain and sciatica, making it a versatile seating solution.
Best For: individuals who spend long hours sitting at work, driving, or traveling and need ergonomic support to relieve tailbone, back, and leg pressure.
Pros:
- Ergonomic U-shaped design effectively suspends the coccyx to reduce pressure and improve posture.
- Made from high-density memory foam that offers a soft, supportive, and bouncy feel for prolonged comfort.
- Lightweight and portable with a side handle, making it easy to carry and suitable for various settings like office, car, or travel.
Cons:
- Some users may experience stiffness or discomfort during winter or after washing the cover.
- The washable cover may pill or show signs of wear over time.
- Effectiveness can vary depending on individual needs, with some users reporting limited relief for certain conditions.
ComfiLife Gel Seat Cushion for Office and Car
Looking for a seat cushion that offers all-day comfort and effective pressure relief? The ComfiLife Gel Seat Cushion is designed for that. It combines gel memory foam for superior support and a cool-off gel layer to keep you comfortable. The non-slip rubber bottom prevents slipping, while the built-in handle makes it easy to carry anywhere. Its ergonomic design supports your tailbone and promotes good posture, reducing pressure on the coccyx and easing lower back pain. Perfect for office chairs, cars, or travel, this cushion is durable, easy to clean with a machine-washable cover, and highly praised by users for its pain-relieving benefits.
Best For: individuals experiencing lower back pain, tailbone discomfort, or those seeking ergonomic support during long periods of sitting in office, car, or travel environments.
Pros:
- Provides superior comfort with gel memory foam and a cool-off gel layer for temperature regulation
- Supports healthy posture by alleviating pressure on the coccyx and promoting spinal health
- Portable with a built-in handle and non-slip bottom, making it easy to transport and safe during use
Cons:
- May require securing when not in use to prevent theft, especially in public or shared spaces
- The firmness of the gel layer might not suit those preferring softer cushions
- Over extended use, the foam and gel layers could compress, potentially reducing support over time
Seat Cushion Memory Foam Office Chair Cushion for Long Sitting Hours
If you spend long hours sitting at a desk, a memory-foam seat cushion can be a game-changer for your comfort and posture. Made from premium certified memory foam, the SofterCharm cushion offers safety and durability, with quick rebound to maintain support over time. It conforms to your body, easing pressure on your lower back, hips, tailbone, and sciatica, reducing discomfort during extended sitting. Its non-slip bottom keeps it securely in place, while the breathable cover with a removable zipper makes cleaning easy. Versatile for office, car, travel, or home use, it’s a practical choice for all-day support and relief.
Best For: individuals who spend long hours sitting at desks, in cars, or traveling and seek enhanced comfort and support.
Pros:
- Made from premium certified memory foam for safety, durability, and quick rebound to original shape
- Conforms to body contours, providing effective pressure relief for back, hips, tailbone, and sciatica
- Equipped with a non-slip bottom and removable, washable cover for easy maintenance and secure placement
Cons:
- May lose its shape over extended heavy use without proper care
- Some users might find the cushion too firm or too soft depending on personal preference
- The size may not fit all chair types or seat dimensions perfectly
ProtoArc Seat Cushion for Sciatica and Coccyx Comfort
The ProtoArc Seat Cushion is an excellent choice for anyone suffering from sciatica or coccyx pain, thanks to its ergonomic U-shape and pressure-relieving features. Its 18×16-inch memory foam design molds to your body, offering targeted support with a tailbone cut-out that eases pressure on sensitive areas. The firm, medium-density foam ensures all-day comfort without flattening, while the raised hip sides promote better posture. Made from breathable, pilling-resistant cotton infused with bamboo charcoal, it stays fresh and durable. With a portable handle and washable cover, this cushion is versatile for car, office, or wheelchair use, making it a practical solution for prolonged sitting discomfort.
Best For: individuals experiencing sciatica, coccyx pain, or those requiring extra support during prolonged sitting at work, driving, or in a wheelchair.
Pros:
- Ergonomic U-shape with tailbone cut-out effectively alleviates pressure on sensitive areas.
- Durable, breathable cotton fabric infused with bamboo charcoal keeps the cushion fresh and comfortable.
- Portable design with handle and removable washable cover makes it convenient for various settings and easy maintenance.
Cons:
- May be too firm or tall for some users, potentially requiring seat adjustments.
- Suitable for users under 200 pounds; heavier individuals might need the XL version.
- It can take 1-2 weeks to fully conform to individual body contours after initial use.
Everlasting Comfort Car Seat Cushion
The Everlasting Comfort Car Seat Cushion is an excellent choice for anyone seeking reliable support and comfort during long drives or daily commutes. Made with high-density memory foam, it contours to my body and keeps its shape, ensuring lasting comfort. Its design acts as an adult booster seat, improving posture, boosting visibility, and supporting safer driving. Lightweight and versatile, I can use it in my car, office, or on the go. The ventilated, removable cover is easy to clean, keeping my seat fresh. Plus, the non-slip bottom guarantees stability, making it perfect for all-day use and enhancing my driving experience with ergonomic support.
Best For: commuters, long-distance drivers, and office workers seeking all-day comfort and improved posture.
Pros:
- Contours to body shape for customized support with high-density memory foam.
- Removable, washable cover for easy cleaning and breathability.
- Non-slip bottom ensures stability during use in cars, chairs, or on the go.
Cons:
- May be too firm for those preferring softer cushions.
- Slightly bulkier design might not fit all car seats or chairs comfortably.
- Memory foam can retain heat, potentially reducing breathability for some users.
C Cushion Lab Pressure Relief Seat Cushion for Office/Home/Car/Wheelchair
Designed with ergonomic contours by in-house specialists, the C Cushion Lab Pressure Relief Seat Cushion is an ideal choice for anyone seeking long-lasting comfort and support during extended sitting periods. Crafted from proprietary extra-dense charcoal memory foam, it cradles thighs and hips to promote upright posture and pressure redistribution. Its 16×16-inch size fits most chairs, cars, and wheelchairs, while the breathable, odor-free cover adds comfort. Users report significant relief from tailbone, coccyx, and sciatica pain, with support lasting over a year. The cushion’s grippy bottom prevents slipping, and its machine-washable cover makes maintenance easy. It’s a versatile, durable solution for prolonged sitting in various environments.
Best For: individuals seeking long-lasting ergonomic support and pressure relief during prolonged sitting in office, home, car, or wheelchair settings.
Pros:
- Scientifically contoured design promotes proper posture and pressure redistribution.
- Made from proprietary extra-dense charcoal memory foam for durability and comfort.
- Machine-washable, breathable cover with non-slip bottom enhances convenience and safety.
Cons:
- Higher price point compared to some basic cushions, reflecting its premium quality.
- Some users may experience initial discomfort or adjustment period.
- Size and firmness may need customization based on individual body type and weight.
TushGuard Seat Cushion for Office Chair
If you spend long hours sitting at an office desk, the TushGuard Seat Cushion offers essential relief with its ergonomic “U” shape and memory foam construction. Made of pure memory foam, it molds to your body’s curves, reducing muscle fatigue and supporting proper posture. Its breathable mesh cover keeps heat buildup at bay, while the firm-medium softness provides balanced comfort. The anti-slip bottom ensures stability, and the built-in handle makes it easy to carry. Compatible with various chairs, including office and wheelchairs, this cushion is designed for extended use, helping to alleviate tailbone, back, and sciatic pain during long sitting sessions.
Best For: individuals who spend long hours sitting at an office desk, experiencing back, tailbone, or sciatic pain, and need ergonomic support for extended periods of sitting.
Pros:
- Made of pure memory foam that molds to body curves for customized comfort and pressure relief
- Ergonomic “U” shape promotes proper posture and improves blood flow during prolonged sitting
- Features an anti-slip bottom and built-in handle for stability and portability across various seating environments
Cons:
- Can flatten over time with extended use, potentially reducing support
- May require regular cleaning of the removable cover to maintain breathability and hygiene
- Slightly higher price point compared to basic cushions, but offers added ergonomic benefits
TushGuard Seat Cushion for Office Chair
Looking for a seat cushion that offers all-day comfort and clear support for your coccyx and hips? The TushGuard Seat Cushion is designed with an ergonomic U-shaped hollow that conforms to your body’s curves, providing superior comfort and effective pressure relief. Made of high-density memory foam, it’s soft yet firm, supporting over 8 hours of daily use without losing its shape. Its non-slip bottom keeps it steady, and the zippered cover is machine washable for easy cleaning. Whether you’re working at your desk, driving, or recovering from an injury, this cushion enhances comfort and reduces pain in your lower back, hips, and spine.
Best For: individuals seeking all-day comfortable seating with effective pressure relief for the coccyx, hips, and lower back, including office workers, drivers, pregnant women, and injury recovery patients.
Pros:
- Ergonomic U-shaped hollow design provides superior comfort and pressure relief
- Made of high-density memory foam that supports over 8 hours of daily use without losing shape
- Features a non-slip rubber bottom and a machine-washable, breathable cover for convenience and easy maintenance
Cons:
- May be too firm for those preferring a softer cushion
- Size might not fit all chair types or seat dimensions comfortably
- The cushion’s height increase might not be suitable for users needing minimal elevation
BlissTrends Seat Cushion, Memory Foam for Office and Car Seat
The BlissTrends Seat Cushion is an ideal choice for anyone who spends long hours sitting at a desk or in a vehicle, offering targeted support and pain relief. Its ergonomic design measures 18.11 x 16.14 x 4.76 inches, with about 4.7 inches of high-density memory foam that molds to your body. The semicircular shape supports thighs and hips, relieving coccyx pressure and improving posture. Suitable for office chairs, cars, wheelchairs, and travel, it features a plush velvet cover, non-slip base, and a portable handle. Users rave about its comfort and pain reduction, making it a versatile and reliable solution for extended sitting.
Best For: individuals who spend long hours sitting at a desk, driving, or using wheelchairs and need enhanced comfort and pain relief.
Pros:
- Ergonomic semicircular design provides targeted support for hips, thighs, and coccyx.
- Removable, washable velvet cover maintains cleanliness and convenience.
- Non-slip bottom and portable handle make it easy to use and transport across various settings.
Cons:
- Some users may find the cushion height or large size less suitable for taller individuals.
- The plush cover can heat up after extended use, potentially causing discomfort.
- The cushion’s firmness may feel too high for those preferring softer seating solutions.
Extra Large Memory Foam Seat Cushion for Pressure and Pain Relief
Designed with ergonomic experts, the Extra Large Memory Foam Seat Cushion offers full support and pressure relief, making it an ideal choice for those who spend long hours sitting. Its U-shaped hollow contour fits your body, reducing fatigue and improving posture. The premium slow rebound memory foam adapts to your shape, providing personalized comfort and maintaining its shape over time. With a semicircular design and warped edge, it supports hips, legs, and relieves sciatica, tailbone, and back pain. The non-slip base ensures stability on various chairs, making it versatile for office, travel, or medical use. Users consistently report increased comfort and pain relief.
Best For: individuals who spend long hours sitting and need ergonomic support to alleviate pressure, pain, and improve posture across various settings.
Pros:
- Ergonomic design with full support reduces fatigue and relieves pressure points.
- Premium memory foam adapts to body shape for personalized comfort and maintains shape over time.
- Non-slip base ensures stability on different chairs, making it versatile for office, travel, or medical use.
Cons:
- May be too large for small or narrow chairs, limiting placement options.
- Slightly heavier weight (2.2 pounds) could be less portable for some users.
- The price varies, and some users may find it expensive compared to basic cushions.
Seat Cushion with Memory Foam, Non-Slip, for Office, Car, Wheelchair, Yoga, Travel
If you spend long hours sitting in an office, driving, or using a wheelchair, this memory-foam seat cushion is an excellent choice to enhance comfort and reduce pain. Made of pure memory foam, it supports proper posture and hugs your body, easing tailbone, coccyx, and back discomfort. Its ergonomic U-shape and breathable cover keep you cool and comfortable, while the non-slip bottom and adjustable straps ensure stability on various surfaces. Lightweight and portable, it’s perfect for travel, yoga, or everyday use. Whether on an office chair, car seat, or floor, this cushion promotes better alignment and lasting support throughout your day.
Best For: individuals who spend extended periods sitting in offices, driving, or using wheelchairs seeking enhanced comfort and pain relief.
Pros:
- Ergonomic U-shape and memory foam support improve posture and reduce tailbone and back pain.
- Breathable, removable cover promotes airflow and easy cleaning.
- Non-slip bottom and adjustable straps ensure secure placement on various surfaces.
Cons:
- Some users may find the cushion less stable on highly uneven surfaces.
- Hand wash only, requiring careful maintenance of the cover.
- Slightly limited size may not fit larger or unusually shaped chairs comfortably.
Benazcap Large Memory Seat Cushion for Office and Car Seats
Benazcap’s Large Memory Seat Cushion is an excellent choice for anyone who spends long hours sitting in office chairs or cars, as its ergonomic design and supportive materials can help alleviate discomfort and improve posture. Its W-shape design with a U-shaped coccyx cutout targets pressure relief on the tailbone, hips, and lower back. Made of high-density memory foam, it maintains its shape and provides firm support over time. The breathable mesh cover, non-slip bottom, and removable cover make it practical and easy to maintain. Whether at work or on the road, this cushion delivers consistent comfort, reducing pain and fatigue during extended sitting sessions.
Best For: individuals who experience prolonged sitting in office chairs, cars, or other seats and need ergonomic support to reduce discomfort and improve posture.
Pros:
- Ergonomic W-shape design with coccyx cutout provides targeted pressure relief and supports proper posture.
- Made of high-density memory foam that maintains shape and offers durable, firm support over time.
- Breathable mesh cover and non-slip bottom enhance comfort, stability, and easy maintenance.
Cons:
- Initial firmness may require a break-in period for some users.
- Size may not fit smaller or very compact chairs perfectly.
- The placement of the coccyx cutout might not align ideally with all tailbone injuries or individual needs.
Factors to Consider When Choosing Memory‑Foam Seat Cushions Coccyx
When selecting a memory-foam seat cushion for your coccyx, I consider factors like comfort and support to ensure relief during long hours. I also pay attention to the material’s durability and how well it fits with my chair or vehicle. Finally, portability, ease of cleaning, and hygiene are key to keeping the cushion practical and fresh.
Comfort & Support Level
Choosing the right memory-foam seat cushion depends heavily on its comfort and support level, which directly impacts your sitting experience. A higher density foam offers better support and durability, ensuring comfort during long periods. The firmness should match your preference—softer cushions provide plush support, while firmer ones help maintain shape and proper spinal alignment. Ergonomic designs with contours like U-shapes or W-shapes help distribute pressure evenly, reducing tailbone and lower back pain. Support levels can be assessed by how well the cushion maintains its shape over time without flattening, guaranteeing consistent comfort. Additionally, adjustable or customizable features allow you to tailor the support to your body and sitting habits, enhancing overall comfort and ensuring your coccyx stays well-supported throughout the day.
Material & Durability
Selecting a memory-foam seat cushion with durable material is essential for guaranteeing long-lasting comfort and support. High-quality foam should be CertiPUR-US or OKEO-TEX STANDARD 100 certified, assuring safety and durability. The foam’s density plays a key role; higher-density foam retains its shape and support over time, resisting flattening. A removable, washable cover not only makes maintenance easier but also extends the lifespan of the cushion by protecting the foam from dirt and wear. Resilience, measured by rebound ability and resistance to deformation, indicates how well the cushion will hold up. Additionally, breathable fabrics that dissipate heat help prevent foam degradation caused by heat buildup. Choosing durable materials helps to maintain your cushion remains supportive and comfortable for the long haul.
Fit & Compatibility
How well a memory-foam seat cushion fits your chair and body determines its effectiveness and comfort. First, I check that the cushion size matches my chair’s dimensions and seating area to prevent slipping or inadequate support. I pay attention to the shape and contouring features, like U-shaped cutouts or ergonomic designs, to guarantee they align with my body and help relieve pain. Thickness and height matter too, as they impact seat height adjustments and posture alignment. I also verify that the non-slip bottom or stabilizing features suit my chair material, keeping the cushion stable during use. Finally, I consider the overall dimensions and weight to see if it’s portable enough for different environments, ensuring convenience without sacrificing fit.
Portability & Convenience
When evaluating memory-foam seat cushions for coccyx support, portability and convenience often influence my choice. I look for lightweight cushions with built-in handles or covers with handles, making them easy to carry between chairs or rooms. Removable, washable covers are essential for quick cleaning, especially when I’m on the go. Non-slip bottoms provide stability during movement, so I don’t have to constantly readjust. Compact, foldable designs are a bonus—they fit easily into bags or backpacks for travel or commuting. Durable materials and reinforced stitching ensure the cushion withstands frequent handling without losing support or comfort over time. Overall, these features make a cushion not only supportive but also practical for daily use and travel.
Maintenance & Hygiene
Maintaining cleanliness and hygiene with your memory-foam seat cushion is essential for comfort and health, especially with regular use. I recommend choosing a cushion with a removable, washable cover to keep it fresh and free of dirt, sweat, and bacteria. Breathable fabrics like mesh or cotton are ideal, as they promote air circulation and prevent heat buildup, making your seat more comfortable. Be sure to wash the cover regularly according to the manufacturer’s instructions. Additionally, consider cushions with antimicrobial or hypoallergenic properties to reduce allergy risks and microbial growth. Periodically inspecting your cushion for signs of wear or mold, especially in humid environments, helps ensure it remains safe and hygienic. Proper maintenance not only extends the life of your cushion but also supports your overall health.
Frequently Asked Questions
How Do Memory Foam Seat Cushions Improve Coccyx Comfort Long-Term?
Memory foam seat cushions improve coccyx comfort long-term by contouring perfectly to my body’s shape, providing targeted support where I need it most. They relieve pressure on my tailbone and distribute my weight evenly, reducing soreness and discomfort over time. I’ve noticed that their adaptive nature helps prevent long-term posture issues, making sitting more comfortable and less painful, especially during extended periods of use.
Are There Specific Cushions Recommended for Sensitive Skin or Allergies?
If you have sensitive skin or allergies, I recommend cushions made with hypoallergenic, breathable materials. Look for cushions labeled as antimicrobial or dermatologist-approved, which help prevent irritation. I personally prefer cushions with removable, washable covers to keep things fresh. Choosing memory foam that’s free from harsh chemicals and fragrances makes a big difference. Always check product labels and reviews to guarantee your comfort and safety are prioritized.
Can Memory Foam Cushions Be Used Effectively in Different Chair Types?
Yes, I find memory foam cushions work well across various chair types. Whether I’m using an office chair, car seat, or even a recliner, the cushion molds to fit comfortably. I just make sure to choose the right size and shape for each chair. They provide consistent support and coccyx relief, making my seating experience much more comfortable. You’ll likely find the same benefits if you switch between different chairs regularly.
How Do Cushion Thickness and Firmness Affect Pressure Relief?
Think of a cushion’s thickness and firmness as the foundation of a cozy nest—thicker and firmer cushions distribute your body pressure more evenly, offering better relief. I’ve found that thicker, firmer cushions reduce pressure points, especially for coccyx comfort. But too much firmness can feel stiff, so it’s about finding that perfect balance. The right mix improves support and makes sitting much more comfortable.
What Maintenance Tips Ensure Longevity of Memory Foam Seat Cushions?
To keep my memory foam seat cushion lasting longer, I make sure to regularly vacuum it to remove dust and debris. I also rotate it every few months to distribute wear evenly. Whenever it gets stained, I spot clean with a gentle, fabric-safe cleaner. I avoid exposing it to direct sunlight or excessive moisture, which can break down the foam. These simple tips help preserve its comfort and shape over time.
Conclusion
Choosing the right memory-foam seat cushion is like finding the perfect seat in a cozy theater—once you do, every moment becomes more comfortable. Whether you need relief from sciatica, pressure, or just want better support, there’s a cushion out there that fits your needs. Don’t settle for a hard seat—embrace the plush cloud of memory foam. Your tailbone will thank you for making the switch to comfort that lasts.
