Reviewed by
Jarrett Dottin
Licensed Occupational Therapist dedicated to helping others live their best lives. Certified lymphedema therapist and amazon affiliate who has tested over 1,000 different products. About JD →
The Everlasting Comfort Doctor Recommended Memory Foam Seat Cushion suits anyone over roughly 130 lbs whose tailbone aches after long desk or driving sessions. Its 2.75-inch medium-firm foam and U-shaped cutout lift pressure off the coccyx. Buy it if you want firm support. Skip it if you want soft or cool.
As an Amazon Associate I earn from qualifying purchases. Some links on this site are affiliate links, if you buy though them I may make a commission at no extra cost to you.
| Foam thickness | 2.75 in |
|---|---|
| Footprint | 17 × 13.2 in |
| Firmness | Medium, ~11.2 lb-force |
| Certifications | CertiPUR-US foam, OEKO-TEX cover |
| Cover | Zippered, removable, machine washable |
| Warranty | Lifetime |
Eight Hours in a Cheap Chair Is a Pain in the Neck
Most office chairs run out of cushion long before you run out of workday. The seat pan compresses, your tailbone takes the load directly, and by hour three youre shifting every few minutes trying to find a position that doesnt hurt. Same story in a car on a long drive.
That is the exact problem the Everlasting Comfort Doctor Recommended Memory Foam Seat Cushion (see it on Amazon) is built around. Its a solid block of memory foam, 2.75 inches thick, with a U-shaped cutout at the back so your coccyx hangs over empty space instead of pressing into a hard seat. Thats the whole mechanism. No gel grid, no inflation, no moving parts.
What the Specs Mean for Your Body
The 11.2 pound-force firmness rating is the number that decides whether youll like this. Thats medium on paper, and the brand pitches it for adults over roughly 130 lbs. Lighter than that and you wont sink into it enough to feel the contour, which is where the “sitting on a brick” complaints come from.
The U-cutout is the tailbone part. Instead of distributing pressure across the coccyx, it removes contact with it entirely and shifts the load onto your sit bones. Thats a real ergonomic principle, not a marketing shape, and its why buyers dealing with stenosis, spondylosis, and sciatic irritation tend to report relief in both chair and car.
The anti-slip rubber bottom matters more than it sounds. A cushion that creeps forward every twenty minutes is a cushion you stop using. This one grips on office chair fabric and car upholstery, which also means it travels well between desk, car, and the recliner at home.
Then theres the cover. OEKO-TEX certified fabric, zippered, removable, machine washable. For something that lives in a car and collects dust, pet hair, and the occasional spilled coffee, a washable cover is the difference between a two-year cushion and a six-month one. The foam itself is CertiPUR-US certified, and the whole thing carries a lifetime warranty.
How It Stacks Up Against Purple and Gel Cushions
This sits at roughly a third of what Purple charges, and youre giving up Purples grid structure and pressure mapping to get there. What you keep is dense, consistent foam support. If your priority is cost-per-seat and you want one for the desk and one for the car, thats a real argument.
Against gel options like the King Mills pressure relief cushion, the tradeoff flips. Gel runs cooler. Pure memory foam retains heat, and buyers say so repeatedly. If you sit in a warm office or drive in a hot climate, a gel-infused cushion is the better call and this one is going to feel warm by hour two.
Against the generic foam pads in the $20 to $35 range, the difference is bounce-back. Budget pads bottom out and stay flat. This one is reported to recover its full 2.75-inch loft after long sessions. Thats the thing youre paying the extra for.
Where It Sits in the Cushion Category
Everlasting Comfort plays the mid-range generalist: cheaper than ergonomic specialists over $150, firmer and better built than the cheap stuff. The seat cushion category splits into dedicated medical coccyx wedges, gel-grid comfort pads, and portable all-rounders. This is squarely the third one.
Worth being clear on the “doctor recommended” badge. No independent lab testing exists to verify it beyond the brands own marketing. The U-cutout design is clinically sensible on its own merits.
72% of roughly 22,000 Walmart reviewers give it five stars, and 6% give it one. That spread tells you more than the average does. The happy majority are people in underpadded work chairs who needed firm support. The unhappy tail is consistent and worth reading.
The complaints cluster into four things. Firmness: one Walmart buyer described it as “akin to sitting on a brick,” another said it felt “very hard, almost like the foam has been petrified.” Heat: memory foam traps warmth and theres no gel version of this model to counter it. Fit: the 17 × 13.2-inch footprint is snug on narrow bucket seats and in a car it adds enough height that short trips can feel awkward and seat adjustment gets fiddly. And degradation: a portion of buyers report the support going inconsistent once the foam breaks in.
Cold mornings also firm the foam up noticeably. Memory foam softens with body heat, so the first ten minutes in a cold car are the stiffest it will feel all day. Several buyers also describe a break-in period of a few hours before it conformed properly.
Before You Click Buy
Measure your seat first. 17 inches wide by 13.2 deep. If youre on a narrow bucket car seat or a compact task chair, that number decides it before anything else does. Larger-framed users have reported it not being wide enough.
Then check your weight against the 130 lb guideline and ask whether your office runs hot. Those two filters catch most of the disappointed buyers. If you sit cool, youre over that weight, and your chair has room, the lifetime warranty makes this a low-risk one to check today’s price on Amazon.
One more thing. This is comfort and pressure relief, not treatment. Anyone with a severe or specific spinal condition should be getting cushion guidance from their own clinician rather than a product page.
Pros
- 2.75-inch foam that reportedly recovers full loft instead of bottoming out
- U-shaped cutout removes direct coccyx contact rather than just padding it
- Anti-slip rubber base keeps it planted on chair fabric and car upholstery
- Washable OEKO-TEX cover plus CertiPUR-US foam and a lifetime warranty
- Mid-range pricing makes a multi-seat setup realistic
Cons
- Recurring firmness complaints, including “sitting on a brick” from real buyers
- Pure memory foam retains heat with no gel option on this model
- 17 × 13.2 in is snug on narrow bucket seats and adds noticeable driving height
- Some buyers report support going inconsistent after the foam breaks in
Frequently Asked Questions
Can the cover be machine washed?
Yes. The cover unzips, comes off completely, and goes in the machine. The OEKO-TEX fabric certification means its tested for harmful substances, which matters if youre sitting on it eight hours a day. The foam core itself doesnt get washed.
Does it work on wheelchairs, airplane seats, or bleachers?
It travels anywhere flat and wide enough for the 17 × 13.2-inch footprint, so bleachers and most airplane seats work. Wheelchair use depends entirely on your seat width and your clinicians input, since cushion selection there affects skin integrity and posture. Ask your therapist before swapping a prescribed cushion.
What’s the warranty if the foam flattens?
Everlasting Comfort backs it with a lifetime warranty, which is the brands own answer to the foam-degradation complaints. Keep your order confirmation, since warranty claims usually require proof of purchase. Thats the main thing separating this from a no-name foam pad with no recourse.
Is there a cooler version for hot offices?
Not on this model. Theres no gel infusion here, so if heat is your main issue a gel cushion like the King Mills is the better fit. You can offset it somewhat with a breathable chair mesh, but pure memory foam is always going to run warmer.
Get it now
Everlasting Comfort Doctor Recommended Memory Foam Seat Cushion for Office Chairs & Car – Ergonomic Office Desk Accessories – Cushions for Tailbone Pain Relief, Sciatica (Black, X-Large)
Get the best price on Amazon →This post contains affiliate links. I may earn a commission at no extra cost to you.
About the reviewer
Jarrett Dottin
Licensed Occupational Therapist dedicated to helping others live their best lives. Certified lymphedema therapist and amazon affiliate who has tested over 1,000 different products.
