Quick Answer: A cushion firm mattress combines a firm support core with a softer cushioning layer on top, sitting around 6 to 7 on the 1-to-10 firmness scale. It suits back and combination sleepers who want spinal support without a completely hard surface. In the Restonic line, the ComfortCare queen at CA$1,499 is our most recommended cushion firm option, with 1,222 pocket coils underneath a quilted top.
In This Guide
- What "Cushion Firm" Actually Means in the Industry
- The Firmness Scale and Where Cushion Firm Sits
- Sleep Position Matching for Cushion Firm
- Body Weight and How Cushion Firm Feels
- Cushion Firm vs Medium vs Plush vs Firm
- Restonic Cushion Firm Options in Our Showroom
- When Cushion Firm Is Not the Right Choice
- FAQs
- Visit Our Brantford Showroom
Reading Time: 10 minutes
What "Cushion Firm" Actually Means in the Industry
"Cushion firm" is a mattress industry term rather than a technical specification. Brands use it to describe a mattress that has a firm support core (typically pocket coils, continuous coils, or high-density foam) topped with a layer of softer material (foam, fibre batting, latex, or a quilted pillow top) for pressure relief at the surface.
The combination produces a mattress that feels supportive underneath but gentle on the skin. You do not sink deeply into it the way you would a plush mattress, and you do not feel like you are lying on a wooden plank the way you might on a straight-firm mattress. It is a compromise firmness level, and for a lot of sleepers it is the right compromise.
Different brands use slightly different names for this firmness category. Sealy uses "cushion firm," Serta uses "plush firm" for some lines and "cushion firm" for others, Simmons uses "luxury firm," and Restonic uses "cushion firm" as a dedicated category. The terms overlap considerably and refer to roughly the same feel.
Research on medium-firm mattresses. A 2015 study in Sleep Health (Radwan et al.) comparing mattresses for back pain found that medium-firm mattresses produced the best outcomes for chronic low back pain relief. Cushion firm sits slightly above medium-firm on the scale, typically a 6.5 or 7 out of 10, and shares most of the spinal-alignment properties the research identified as helpful.
The Firmness Scale and Where Cushion Firm Sits
Most mattress retailers use a 1-to-10 firmness scale where 1 is extremely soft (think hotel marshmallow) and 10 is extremely firm (think floor with a blanket). Cushion firm typically falls at 6 to 7.5.
| Scale Position | Industry Label | Feel |
|---|---|---|
| 1-3 | Ultra-plush / Plush | Deep sink, soft pillowtop |
| 4-5 | Medium / Medium-soft | Moderate sink, balanced |
| 5.5-6.5 | Medium-firm / Luxury firm | Slight sink, most supportive contour |
| 6.5-7.5 | Cushion firm | Firm base, cushioned surface |
| 7.5-8.5 | Firm | Minimal sink, flat feel |
| 9-10 | Extra firm | Very hard, almost no give |
The scale is not universal, and one brand's "cushion firm" may feel like another brand's "medium-firm." For any serious purchase, lying on the mattress in person for at least 10 minutes is the only reliable way to judge firmness. Online labels are rough guides.
Sleep Position Matching for Cushion Firm
Different sleep positions have different firmness needs. Cushion firm is not the right choice for all sleepers.
Back sleepers. Usually the best match. The firm base supports the lumbar curve without letting the hips sink too low, while the cushioned top keeps the shoulders and head from feeling pressed against hard material. Most chiropractors we have spoken to over the years suggest cushion firm or medium-firm for back sleepers as the default.
Combination sleepers (side plus back, or side plus stomach). Also usually a good match. The supportive base works for back-sleeping phases, and the cushioned top provides reasonable pressure relief during side-sleeping phases. Not as ideal as a dedicated side-sleeper mattress for pure side sleepers.
Side sleepers. Cushion firm is often too firm. Side sleepers need more surface softness to allow the shoulder and hip to sink enough that the spine stays in alignment. A medium or plush mattress usually works better. Exceptions exist for lighter-weight side sleepers who may find cushion firm acceptable.
Stomach sleepers. Cushion firm is often not firm enough. Stomach sleepers need a flatter surface to prevent the hips from sinking below spinal alignment. A firm or extra-firm mattress is usually the right choice. The cushioned top of a cushion firm can let the belly sink slightly, creating a subtle hyperextension of the lower back.
Body Weight and How Cushion Firm Feels
The same cushion firm mattress feels different depending on body weight. A 120 lb sleeper on a cushion firm feels the top cushion more and the base support less. A 250 lb sleeper feels the base support more and compresses through the cushion layer.
Rough adjustments:
- Under 130 lbs. A cushion firm often feels like a medium-firm or even medium. For true firmness, consider going one step firmer than the label suggests.
- 130 to 180 lbs. Cushion firm feels as advertised. The firmness label matches the sensation.
- 180 to 230 lbs. Cushion firm starts to compress into the support layer, feeling slightly firmer than the label suggests.
- Over 230 lbs. Cushion firm may feel too firm because the cushion layer compresses quickly. Consider a plush or medium option with heavier-gauge coil construction.
The weight effect is significant. Two partners of substantially different weights often disagree on whether a cushion firm mattress is "right," and they are both correct for their own bodies. This is where the split-king configuration or Restonic's Split Comfort feature becomes genuinely useful.
Brad, Owner, 40+ years of experience: "Cushion firm is the firmness level we send most customers home with, because it suits the broadest range of people. A back-sleeping couple in their fifties, both around average weight, both want good lumbar support but also want the bed to feel welcoming when they lie down. Cushion firm is almost always the right answer for them. Where we work harder is when one partner is a side sleeper and the other is a back sleeper, or one weighs 50 pounds more than the other. That is where Split Comfort earns its keep."
Cushion Firm vs Medium vs Plush vs Firm
A quick comparative guide to help you narrow the category.
| Firmness | Best For | Risk If Wrong Match |
|---|---|---|
| Plush (1-3) | Lighter side sleepers, pressure-point pain | Insufficient support for heavier sleepers, sagging over time |
| Medium (4-5) | Combination sleepers, couples with mixed needs | May feel "in between" rather than distinctly comfortable |
| Medium-firm (5.5-6.5) | Most back sleepers, low back pain sufferers | Can feel too firm for side sleepers |
| Cushion firm (6.5-7.5) | Back sleepers, combination sleepers, most average-weight adults | Too firm for pure side sleepers, too soft for pure stomach sleepers |
| Firm (7.5-8.5) | Stomach sleepers, heavy sleepers, some back-pain sufferers | Creates pressure points for side sleepers and lighter adults |
If you are between cushion firm and medium-firm, medium-firm is usually the safer choice for back pain concerns because it provides slightly more surface contour. If you are between cushion firm and firm, cushion firm is usually more comfortable for the average sleeper unless you are a dedicated stomach sleeper.
Restonic Cushion Firm Options in Our Showroom
We carry several Restonic models in the cushion firm category. Our showroom inventory rotates but these are our typical stock.
- Restonic ComfortCare queen, CA$1,499. Our most-recommended value option. 1,222 pocket coils, a quilted cushion top, and reliable construction. Good for most back and combination sleepers in the 130 to 200 lb range.
- Restonic ComfortCare king, CA$2,455. Same construction, scaled up to king size with 1,440 coils. Price reflects the additional materials.
- Restonic Revive Reflections ET queen, CA$3,395. A flippable design with cushion firm on both sides, letting you rotate the mattress regularly to extend its service life. Good for couples who rarely move the mattress and want maximum longevity.
- Restonic Luxury Silk & Wool queen, CA$3,395. A cushion firm configuration with natural-fibre comfort layers for temperature regulation. Excellent for hot sleepers who still want cushion firm feel.
- Restonic Revive St Charles / Elizabeth queen, CA$5,459. Our 15-inch flagship cushion firm model, 1,188 coils with premium Talalay latex and silk-wool top layers. The top-of-the-line Restonic.
All of these are available with Split Comfort (each side a different firmness) at no extra cost. Shipping is included within Ontario. Prices verified 2026-03-16 and may change; call ahead if you are traveling from outside Brantford to confirm current pricing.
Talia, Showroom Specialist: "When customers come in asking specifically for the ComfortCare, they usually picked it out online based on reviews. I walk them through lying on it for ten minutes in their actual sleep position before confirming the purchase. About a third of the time, they realise a Split Comfort pairing suits them better than the standard configuration, and they end up with exactly the comfort they wanted. The in-person test is what makes the difference."
When Cushion Firm Is Not the Right Choice
Cushion firm is a broad-appeal firmness level, but it is not universal.
If you have significant hip or shoulder pain on your sides at night, cushion firm is usually too firm. A medium or plush mattress, possibly with a latex comfort layer, better matches side-sleeping pressure-relief needs.
If you are a dedicated stomach sleeper, cushion firm lets your hips sink slightly below spinal neutral. A firm mattress with minimal cushion is usually more appropriate for this sleeping position.
If you weigh under 130 lbs and back-sleep only occasionally, cushion firm may feel harder than it should. Consider a medium-firm or medium option for softer surface response.
If you weigh over 250 lbs, the cushion layer may compress too quickly to give you the feel you want. Look at firmer configurations with heavier-gauge coils and thicker support layers.
If your primary complaint is hot sleeping, the firmness level matters less than the comfort-layer material. Latex, wool, or cooling foam cushion firm options sleep cooler than memory-foam cushion firm.
A Brantford note. A noticeable portion of our customers in their fifties and sixties arrive convinced they need a firmer mattress because they read that older adults should sleep on firmer surfaces. That is a partial truth. What older adults often need is better spinal support, which cushion firm provides as well as firm does, usually with less joint and pressure-point discomfort. Our showroom tests almost always show older customers preferring cushion firm over firm when they compare the two side by side, even when they walked in asking for "the firmest one you have."
Frequently Asked Questions
Is a cushion firm mattress good for back pain?
For most back-pain sufferers, yes. The 2015 Sleep Health meta-analysis supports medium-firm mattresses (including cushion firm) as the best single category for chronic low back pain. Individual variation exists, which is why trying the mattress in person for at least 10 minutes is important before buying.
How do I know if cushion firm is right for me without buying first?
Visit a showroom and lie down in your normal sleep position for at least 10 minutes. Ten minutes is the minimum time needed for the mattress to respond to your body and for you to judge comfort accurately. Lying on your back and then rolling to your side reveals whether the mattress supports both positions reasonably well.
Can I make a firm mattress feel like cushion firm with a topper?
Partially. A quality topper (latex, wool, or high-density memory foam) adds surface softness and pressure relief. It does not change the underlying support characteristics. If the support layer is wrong for your body, a topper masks but does not fix the issue. For a short-term workaround, a topper can work; for a long-term mattress replacement decision, choose the right firmness at the base.
Does Restonic offer cushion firm in a Split Comfort configuration?
Yes. Almost every Restonic model is available in Split Comfort, which lets each side of the queen or king bed have a different firmness. Common pairings include cushion firm with plush, or cushion firm with firm. No additional cost for the Split Comfort option.
Will a cushion firm mattress sag over time?
All mattresses show some softening of the comfort layer over their service life. A quality cushion firm mattress with a durable support core (pocket coils or high-density foam) typically shows acceptable consolidation rather than dramatic sagging. Expected service life is 8 to 12 years for mid-range Restonic models with proper care.
Sources and Further Reading
- Radwan A, Fess P, et al. "Effect of different mattress designs on promoting sleep quality, pain reduction, and spinal alignment in adults." Sleep Health, 2015. PMC8655046
- Jacobson BH, Boolani A, Smith DB. "Changes in back pain, sleep quality, and perceived stress after introduction of new bedding systems." Journal of Chiropractic Medicine, 2009. PMC2697581
- Canadian Chiropractic Association. "Back Care and Your Mattress." chiropractic.ca
- International Sleep Products Association. Mattress terminology standards. sleepproducts.org
- Canadian Sleep Society. Patient sleep resources. css-scs.ca
Visit Our Brantford Showroom
We are located at 441½ West Street in downtown Brantford. Free parking available, wheelchair accessible. Our team does not work on commission, so you get honest advice based on your needs.
Mattress Miracle, 441½ West Street, Brantford, ON. (519) 770-0001
Hours: Monday–Wednesday 10am–6pm, Thursday–Friday 10am–7pm, Saturday 10am–5pm, Sunday 12pm–4pm.
Come in and lie on a cushion firm Restonic ComfortCare in the queen and king sizes. Try your actual sleep positions, take 10 minutes per mattress, and feel the difference between cushion firm and neighbouring firmness levels. Talia can walk you through the Split Comfort option if you and your partner want different firmness. Outside store hours, our chat box is available whenever we are not sleeping.