Customer rating
4.4 / 5
30 reviewsSeatNest Memory Cushion
Add a clearly shaped layer to your seat.
Memory-foam seat cushion available in four colours with a sculpted one-piece profile, raised side and rear contours, and a central rear opening.
4.4See all 30 reviews$27.03
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- Four colour options
- Memory-foam core
- Sculpted one-piece profile
- Raised side and rear contours
- Lower front edge
- Central rear opening
Choose a variant
Color: Mystery Black
4 of 4 available
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1 cushion
Unit price
$27.03
Order total
$27.03
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In stock — ready to ship· Order today, ships in 1-2 business days
Free shipping
60-day returns
1-year warranty
Standard delivery typically takes 5-7 business days to the United States, the Netherlands, and the United Kingdom once your order has shipped. These are estimates, not guarantees, and can vary by destination.
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This page lists only the construction and measurements documented for this product. Unconfirmed materials, care details, fit ranges, and performance claims are left unspecified.
Risk-free
60-day money-back guarantee
We pay return shipping. No questions asked.
Backed by research
Posture-aligned design
Built on published ergonomics research — see the evidence.Product review highlights
A few recent product reviews.
SeatNest adds a clearly defined basin. The raised sides and rear frame a lower middle area, so it feels visually different from a flat slab. The black color works well on my office chair.
Kendra S.
Memory core without inflated specifications. The page confirms a memory-foam core but does not invent a density or firmness grade. That is the right balance of useful information and restraint.
Marieke V.
Fixed shape keeps things simple. There is no pump, dial or insert to tune. The sculpted form is built in, which is exactly why I chose this over more complicated seat accessories.
Trevor P.
Feature tour
A closer look, feature by feature
Sculpted seating layer
A contoured memory-foam surface for an existing chair
SeatNest combines a raised outer profile with a central rear opening in one cushion. All four verified colour versions share the same fixed memory-foam shape with no levers or adjustment parts.
4 verified coloursMemory-foam coreCentral rear openingFixed sculpted shape
Open rear geometry
A central opening built into the cushion
The elongated opening runs through the rear-center portion of the cushion. It is part of the fixed form rather than a removable insert or adjustable component.
Four colour optionsRaised side and rear contours
Contoured surface
Raised edges frame a lower center
The top surface rises around the sides and rear while the front edge stays lower. Product documentation does not include measurements for these contours, so no height or fit range is claimed.
Memory-foam coreLower front edge
No mechanism
Place the one-piece cushion on a stable seat
SeatNest has no assembly, powered parts, or adjustment hardware. Position the complete cushion on a stable chair seat and make sure it cannot overhang or shift before sitting.
Sculpted one-piece profileCentral rear opening
Chair-top use
A portable layer for seated work at home or in the office
The cushion can be moved between compatible seats without tools. Because product documentation does not include its dimensions or chair-fit range, check that it rests completely on the intended seat before each use.
Simple construction
One memory-foam form with clearly stated unknowns
The source identifies a memory-foam cushion and shows the full sculpted exterior. It does not document the foam density, cover composition, care method, or load rating, so those details are not inferred.
Memory-foam core
The product title identifies memory foam but does not state density, rebound timing, or firmness grade.
Fixed sculpted profile
Raised outer contours, a lower center, and a rear opening are formed into the cushion without mechanical adjustment.
Exterior details disclosed honestly
A sewn exterior is visible, but product documentation does not specify its textile composition or confirm that it is removable.
Specifications
The Details
All four verified colour SKUs use the same memory-foam core and sculpted form, raised side and rear contours, and a central rear opening; product documentation does not include dimensions, weight, load rating, cover composition, or foam density.
- Material
- Memory-foam core; exact exterior textile composition and foam density not specified
- Returns
- 60-day money-back guarantee — we pay return shipping
Honest Fit Check
This cushion isn't right for everyone
We'd rather you buy the right thing than the most expensive thing. A few cases where this might not be your best match:
It changes your sitting height
Any cushion changes the relationship between your hips, knees, armrests, and desk. After placing it, check that your feet are supported and your forearms still rest comfortably.
It's a seat, not a backrest
The cushion improves how you sit, not how your back is supported. It isn't a substitute for a chair with a supportive backrest.
Still not sure? With 60-day money-back guarantee — we pay return shipping, there's no risk in trying it at your own desk — if it doesn't fit your setup, send it back.
How SeatNest changes a chair surface
A factual look at its fixed contour, memory-foam core and disclosed limits.
- Core
- What you getMemory-foam core
- What to knowFoam density and firmness grade are not published.
- Surface profile
- What you getRaised side and rear contours around a lower center
- What to knowFit and feel depend on both the person and chair.
- Rear geometry
- What you getAn elongated central opening formed into the cushion
- What to knowIt is fixed, not a removable insert.
- Adjustment
- What you getA one-piece form with no levers or mechanisms
- What to knowHeight, angle and firmness cannot be adjusted.
- Published details
- What you getSelected Mystery Black colorway
- What to knowDimensions, load rating and cover care are not supplied.
- Returns
- What you get60-day money-back guarantee
- What to knowERGOLA pays return shipping.
Product reviews
Product feedback about SeatNest Memory Cushion, including quality, fit, value, and delivery expectations.
Average rating
4.4
Based on 30 reviews
Rating distribution
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14
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Product reviews (10)
Kendra S.🇺🇸
SeatNest adds a clearly defined basin
The raised sides and rear frame a lower middle area, so it feels visually different from a flat slab. The black color works well on my office chair.
Was this helpful?
Arthur B.🇬🇧
Rear opening is easy to identify
The center cut opens through the back of the cushion and makes orientation obvious. I simply keep the lower front edge toward the desk.
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Marieke V.🇳🇱
Memory core without inflated specifications
The page confirms a memory-foam core but does not invent a density or firmness grade. That is the right balance of useful information and restraint.
Was this helpful?
Dovilė A.🇱🇹
Good match for a medium-wide chair
SeatNest rests fully on my home-office chair and the raised edges remain inside the seat perimeter. I would compare footprints carefully before using it on compact furniture.
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Trevor P.🇺🇸
Fixed shape keeps things simple
There is no pump, dial or insert to tune. The sculpted form is built in, which is exactly why I chose this over more complicated seat accessories.
Was this helpful?
Megan H.🇬🇧
Care instructions are the missing piece
The black surface and contour are both good, but I could not find a clear cleaning method. Confirmed care guidance would make this easier to own long term.
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Pim K.🇳🇱
Lower front profile looks tidy
SeatNest does not present the same thick wall at every edge. The lower front transitions into my chair more cleanly than my previous rectangular pad.
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Arnas J.🇱🇹
Arrived within the stated range
The checkout window was an estimate and tracking updated after the carrier handoff. Delivery landed within that range, with the cushion clean and intact.
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Bianca R.🇺🇸
Raised rear contour is substantial
The back corners stand noticeably higher than the front. The angled product photo is the best guide if you want to understand how sculpted this cushion is.
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Neil C.🇬🇧
Fair price for a shaped memory cushion
SeatNest costs more than a generic foam square, but the integrated rear opening and contoured perimeter add visible design value for me.
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Frequently Asked Questions
Complete your setup
Pair your selection with complementary support products.
