The 11 Best Seat Cushions of 2021

Your back will thank you for years to come

We are committed to researching, testing, and recommending the best products. We may receive commissions from purchases made after visiting links within our content. Learn more about our review process.

It’s a common byproduct of fatigue—you might slouch or begin leaning forward at an uncomfortable angle at your desk, and you might not even register the discomfort right away because your mind is intently elsewhere. Wouldn’t it be great if your chair took care of the problem for you, giving you a little nudge to correct your posture?

You can purchase a seat cushion to do the job at a fraction of the cost of a new, therapeutic chair. Don't know where to start? It's OK, we did the research for you and found the best seat cushions to buy today. Even better, most of these cushions also help soothe already-existing aches and pains that came about after months or even years of slouching and leaning.

Best Overall: Everlasting Comfort Seat Cushion

Made of 100 percent, pure memory foam (with no additives), the Everlasting Comfort Seat Cushion features a U-shaped, ergonomic design to relieve lower back and tailbone pain. The 17 x 14 x 2-inch seat cushion also responds to the heat of your body, ensuring it will perfectly mold to the shape of your bottom. Along with a lifetime warranty, its advanced memory foam design comes recommended by orthopedic surgeons and medical doctors. Note that the cover of the cushion is machine washable and that the rubber bottom is non-slip.

Runner-Up, Best Overall: LoveHome Memory Foam Lumbar Support

LoveHome’s seat cushion boasts extra memory foam, making it almost twice as thick as other models at about 4 inches. It’s ideal for those who have to sit for long periods, as it comfortably distributes body weight to promote good posture with its ergonomic streamlining. An adjustable strap helps keep the cushion in place.

The 13 by 13-inch seat cushion is available in a wide variety of colors with a removable cover for easy cleaning. LoveHome makes similar cushions that are slightly larger, too, but you can try this one for 60 days and if you don’t love it, the company will give you your money back.

Best Seat and Back Support: SOFTaCARE Seat Cushion

A cushion and back support combination allow for better posture when sitting down for long periods of time, providing more support on both your seat and lower back. The 16 x 13 x 3-inch SOFTaCARE Seat Cushion comes with a set of orthopedic pillows—a seat cushion that helps decrease pressure on the coccyx, relieving any pain from sciatica, herniated discs, and other back issues, as well as a lumbar support pillow for aiding lower back pain.

Both of the 100 percent memory foam pillows are packed with other features, including the seat cushion's non-slip rubber bottom so it stays in place, a built-in handle for portability, and a washable cover for cleaning. The lumbar support pillow also comes with a pocket to conveniently hold your smartphone, adjustable straps, and a breathable mesh construction so your seat doesn't get too hot.

Related: The Best Office Chairs for Back Pain

Best Design: Aylio Coccyx Orthopedic Comfort Foam

Aylio’s seat cushion has a special, ergonomic, cut-out design that makes it ideal for larger bodies, but it works well for smaller people, too. Thanks to the cut-out and the cushion’s firmness, your tailbone won’t take the brunt of your weight, and it’s designed to ease pressure on your hip bones as well. The cut-out area also distributes your weight more uniformly, making it easier to sit properly, so you can give your spine a break.

It’s covered in an easy-on-the-eyes gray velvet that you can remove for washing. And for all this, the 18 x 14 x 2.5-inch seat cushion is still really lightweight at less than one pound.

Related: The Best Ergonomic Office Chairs

Best Memory Foam: Kieba Coccyx Seat Cushion

This seat cushion from Kieba is made of memory foam that’s layered with gel. It’s meant to support your lower back and to improve posture with its U-shaped design. The memory foam also lets you sit for long periods without the discomfort that can come from sitting, even when your posture is great. And if you leave your desk, the indents you leave in the seat cushion will still be there.

The cover can be removed for easy cleaning, and the cushion itself is suitable for any kind of seating—you can even use it if you spend your day on a stool. The seat cushion measures 14 x 18 x 3 inches.

Related: The Best Lumbar Support Pillows

Best Large: Xtreme Comforts Large Seat Cushion

Measuring 19 x 17.5 x 3.5 inches, this Xtreme Comforts Seat Cushion is perfect for those with bigger office chairs. This way, it also has plenty of space to fit almost any seat and distribute weight more evenly. The large seat cushion is comfortable and conforms to your shape, thanks to its two-layer foam system so the cushion is never flat and helps relieve tailbone pressure, numbness, lower back pain, and more.

In addition to providing breathability while sitting, its removable mesh cover is machine washable. With an attached carry handle, the cushion is also easy to travel with, so you can use it for your flight or train ride after work. Plus, the non-skid bottom means you can comfortably use the seat cushion on any surface.

Best Splurge: Purple Double Seat Cushion

Purple Double Seat Cushion

Amazon

If you'd like to invest in premium seating, opt for the splurge-worthy Purple double seat cushion. As opposed to other options on the market, this 18 x 16 x 2-inch cushion is constructed of hyper-elastic polymer for durability and comfort engineered for your body. With a "grid design," this thick and soft seat cushion is aimed at alleviating leg and back pain and even conforms to anything inside your back pocket, meaning you won't feel your wallet, keys, or other small items. The dual-support design also means you can use this cushion on any office chair—just flip it over for use on either soft or firm surfaces, while its anti-skid bottom ensures it won't slide off your chair. Other high-end features include the seat cushion's built-in, free-flowing air channels to keep it from heating up.

Best for Portability: TravelMate Gel-Enhanced Memory Foam

TravelMate Coccyx Orthopedic Gel-enhanced (Medium-Firm) Comfort Memory Foam Seat Cushion
Courtesy of Amazon

TravelMate designed its Gel-Enhanced Cushion for use anywhere from a plane seat to your car to your office. It comes with a nice, built-in carrying handle, so you can just grab it and move.

Of course, if you do spend a lot of time sitting in one place, the gel seat cushion offers plenty to keep you comfortable, too. It’s made from furniture-grade foam—think your comfy sofa cushions—with a layer of memory foam as well. The cover is non-slip, so when you place it somewhere, it will stay there even if you’re fidgeting on top of it. It’s also one of the less expensive cushions out there, and it measures 18 x 14 x 3 inches.

Best Heated: Snailax Vibration Massage Seat Cushion

Part massage chair part seat warmer, this cushion from Snailax features a built-in heating pad, making it ideal if you easily get cold and for soothing body aches. The included remote control lets you choose between five different massage options, set the intensity of vibrations, and select which area of the body to target. It also has an auto shut-off timer that can be programmed for 15, 30, or 60 minutes to avoid overheating. 

Made from soft polyester, the seat cushion offers modest support at 5 inches thick, but it has a non-slip bottom and an adjustable strap so you can secure it to any chair. Even more, the cushion comes with a 30-day money-back guarantee. It measures 16 by 15 inches.

Best Donut-Shaped: Ergonomic Innovations Donut Cushion

For back pain and post-surgery and pregnancy relief, opt for a donut pillow. Thanks to its U-shape and firm cushion, Ergonomic Innovations' seat cushion is designed to distribute your weight more evenly instead of directly onto your lower back, hips, and tailbone. The front and back cut-outs also reduce pressure on your spine and improve posture while alleviating back and sciatica pain.

This seat cushion measures 17.5 x 14 x 2.5 inches, which makes it one of the thickest cushions on the market. Made from memory foam, it features a suede cover with a non-slip bottom. The cover can be taken off and is machine washable, though the inner foam can be spot cleaned with a damp sponge as well.

Best Gel: Modvel Gel Seat Cushion

The Modvel Gel Seat Cushion doesn’t use just any gel—it’s cooling gel, so it’s a great choice if you suffer from a little stress, as you won’t sweat. It’s designed to support your back to help you maintain good posture, and it will zero in on any lower back and sciatic pain you might be experiencing.

The gel seat cushion is lightweight and comes with a carrying handle, ideal for those who don’t stay at one desk or location all day. It can move around with you and you can even use it in your car for long commutes. Measuring 15 x 9 x 6 inches, this seat cushion also comes with a lifetime replacement guarantee.