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Novaform ComfortGrande vs. Casper One Mattress Comparison
Novaform ComfortGrande
Bottom Line
The Novaform ComfortGrande’s thick foam layers provide deep cushioning, pressure relief, and a hugging feel.
$580 from Costco (queen)
Full Mattress ReviewVS
Casper One
Bottom Line
The Casper One is an accessible model that combines memory foam and polyfoam to provide a cushy feel without hugging close.
Click for the best Casper mattress deals
Full Mattress ReviewCasper and Novaform have taken different approaches to building their brand — Casper was one of the first companies to offer a mattress in a box shipped directly to customers, while Novaform sells many of its mattresses exclusively through Costco — but in the end, both offer solid options for mattress shoppers.
In this comparison, we cover everything you need to know about the Novaform ComfortGrande and the Casper One. These are two of their respective brands’ leading models, and each features an all-foam design that includes a layer of pressure-relieving memory foam.
Quick Look
$499 – $750
$799 – $3,195
Medium Soft (4), Medium (5), Medium Firm (6), Firm (7)
Medium Soft (4), Medium (5), Medium Firm (6)
- Competitive pricing
- Wide range of firmness options
- Available online or at brick-and-mortar stores
- Zoned support
- Options for advanced temperature control
- Varied mattress lineup with affordable and luxury options
- Flexible
- 20 Year, Limited
- 100 nights (30-night requirement)
- 10 years, limited
- B+
- A+
Our Testing Team’s Take
Our mattress evaluations rely on a multi-faceted methodology that combines rigorous data collection with in-home experiences. Over the years, we’ve perfected this process as we’ve tested more than 2,000 mattresses.
We begin each evaluation in our Seattle-based Test Lab, where we use specialized equipment for ergonomic pressure mapping and measurement of heat retention and motion transfer. Next, our team members take mattresses home and test them in their own bedrooms. We then incorporate feedback from verified customer reviews to gain a broader perspective and identify any recurring patterns or issues.
By bringing all of these data points together, we create well-rounded and comprehensive reviews and comparisons that you can use to identify the best mattress for your needs.
Our Verdict
Our testing team determined that both the Novaform ComfortGrande and the Casper One are quality all-foam mattresses well-suited to many sleepers. Based on our evaluations, the biggest differences that can help you choose a mattress are related to the availability, feel, and pricing of each mattress.
The Novaform ComfortGrande is only available to shoppers with Costco memberships. The mattress is not sold in other locations, and shipping is only available to addresses located within 50 miles of a Costco warehouse. In contrast, the Casper One is sold nationwide on the Casper website and through the company’s retail partners.
Another difference between these models is their overall feel. Although both are medium firm (6), the Novaform ComfortGrande contours much more closely, meaning that it feels like you’re being hugged by the mattress. The Casper One gently cradles your body without a deep hug.
Logan Foley
Editorial Director
Side sleeper
140 pounds
Has too many dogs in the bed
“One of the things that stood out the most to me was how well the Casper One absorbed motion. I liked that I wasn’t bothered by movement on the other side of the bed. I also felt that the mattress had a good mix of pressure relief and pushback.”
This difference in feel is a result of the way the mattresses are constructed, specifically the thickness and positioning of their memory foam layers. In our testing, the ComfortGrande earned higher marks from sleepers who like the feeling of sinking into their bed, including many side sleepers under 130 pounds.
The Casper One also works well for many side sleepers, and it is a compelling choice for people who want a balance between cushioning and sturdy support. We found that the Casper One was a better fit for back and stomach sleepers with a lighter body weight.
One benefit of the Novaform ComfortGrande is that it has a lower price-point than the Casper One. While both of these mattresses offer solid value and a below-average price, the ComfortGrande is a more economical option for Costco members.
Colin Simpson
Product Research Manager
Side sleeper
190 pounds
Talks in sleep (like, a lot)
“The thick memory foam layer [of the Novaform] felt great for side sleeping. It sounds cliché, but the pressure in my hips and shoulders just melted away, letting me sleep comfortably through the night.”
Construction and Materials
The Novaform ComfortGrande and the Casper One are all-foam mattresses with three internal layers, including one layer of memory foam. The following table shows how the different layers of these mattresses are arranged.
| Construction Analysis | Novaform ComfortGrande | Casper One |
|---|---|---|
| Cover | Polyester blend | Polyester, polyethylene, and Lycra blend |
| Comfort Layer | 3” memory foam (gel-infused) | Polyfoam (open cell) |
| Transitional Layer | 3” polyfoam | Memory foam |
| Support Core | 8” polyfoam | Polyfoam |
Novaform ComfortGrande Breakdown
The Novaform ComfortGrande is 14 inches tall and has a firmness level of medium firm, or 6 on our 10-point firmness scale of 1 to 10 with 10 being the firmest.
The mattress cover is made primarily of polyester that is quilted with special fabric designed to resist heat buildup.
The ComfortGrande has three interior layers. The top layer is made with 3 inches of gel-infused memory foam. This thick layer of foam hugs and adapts to your body. In the process, the foam also absorbs vibrations to limit motion transfer for couples. A gel infusion is engineered to help maintain a steady temperature without overheating.
The transitional layer is made with 3 inches of polyfoam. This material helps hold up the memory foam while offering a touch of additional spinal support.
The bottom layer is 8 inches of high-density polyfoam. This support core gives the mattress a sturdy and durable base.
Casper One Breakdown
The design of the Casper One has a lot in common with the ComfortGrande, but the Casper One is not as tall. It has an 11-inch profile, and its firmness level is medium firm (6).
The Casper One’s cover is made of polyester blended with polyethylene and Lycra spandex, giving it a combination of stretchiness and smoothness.
The comfort system is made of two different foam layers. The top layer is an adaptive polyfoam that has light cushioning for the heavier parts of the body. The second layer is transitional memory foam, which contours more closely to the body’s weight. The combination of these two materials allows the Casper One to relieve pressure and isolate motion while avoiding excessive sinkage.
The support core of the mattress is made with high-density polyfoam that feels sturdy and stable. This robust foam also helps keep the mattress from collapsing around the edges.
Mattress Sizing and Weight
The Novaform ComfortGrande is a taller and heavier mattress than the Casper One. It’s 14 inches tall, which may require you to use a deep-pocket fitted sheet.
| Mattress Model | Profile | Weight (Queen) |
|---|---|---|
| Novaform ComfortGrande | 14” | 92 lbs. |
| Casper One | 11” | 76 lbs. |
Performance Ratings
Our Test Lab noticed a lot of similarities with the performance of the Novaform ComfortGrande and Casper One.
Both mattresses received their highest scores for pressure relief and motion isolation. This comes as no surprise since both models have a layer of memory foam, a material known for its ability to contour closely and absorb vibrations from movement.
In the ComfortGrande, the memory foam is thick and layered at the top of the mattress. As a result, it has more pronounced hug, which appeals to some sleepers.We found that side sleepers up to 230 pounds, and particularly those under 130 pounds, gave excellent ratings to the ComfortGrande.
The Casper One was also praised by side sleepers up to 230 pounds, but it earned higher marks than the ComfortGrande for back sleepers up to 230 pounds and stomach sleepers under 130 pounds. With a layer of polyfoam above the memory foam, the Casper One has less contouring and sinkage, which can translate to better spinal alignment for certain sleepers.
The deeper hug of the ComfortGrande meant that the mattress earned slightly lower scores than the Casper One for edge support, ease of movement, and temperature regulation. That said, neither of these mattresses stood out in those categories.
Full Reviews: Other Novaform and Casper Models
Novaform
Overall Rating:
6.9 /10
Price Range:
$0 – $0
Mattress Type:
Foam
Firmness Options:
Varies
Casper Dream Hybrid
Overall Rating:
6.7 /10
Price Range:
$1,195 – $2,390
Mattress Type:
Hybrid
Firmness Options:
Medium (5)
Casper Dream Max
Overall Rating:
6.9 /10
Price Range:
$2,495 – $4,990
Mattress Type:
Hybrid
Firmness Options:
Medium (5)
Casper Snow Hybrid
Overall Rating:
8.4 /10
Price Range:
$1,310 – $2,620
Mattress Type:
Hybrid
Firmness Options:
Medium (5)
Mattress Pricing and Policies
The Novaform ComfortGrande and the Casper One are affordable options that cost less than the average all-foam mattress.
The Novaform Comfort Grande has a lower price-point than the Casper One, but the mattress is only available to Costco members. Costco only ships the ComfortGrande to addresses within 50 miles of a Costco location.
The ComfortGrande is subject to Costco’s flexible return policy, which does not stipulate a specific return window. Casper offers a 100-night sleep trial for the Casper One.
| Policy | Novaform ComfortGrande | Casper One |
|---|---|---|
| Sleep Trial | Flexible (per Costco return policy) | 100 nights |
| Warranty | 20-year limited warranty | 10-year limited warranty |
| Shipping | Free to all 50 states if you live within 50 miles of a Costco warehouse | Free to the contiguous U.S.; for a fee to Alaska and Hawaii |
| White Glove Delivery | Not available | Available for a fee |
What Customers Are Saying
The Novaform ComfortGrande and Casper One have more than 10,000 five-star customer reviews, and while not everyone loves these mattresses, the majority of reviews are quite positive.
Many people who sleep on the ComfortGrande praise its ability to cushion pressure points. That makes the mattress popular among many side sleepers, but other people find it to be excessively soft. Reviews are mixed about how well this mattress regulates temperature, and a few customers complain about a lack of edge support.
The Casper One gets solid reviews that frequently reference its ability to cushion pressure points without feeling overly soft. Nevertheless, its firmness level isn’t for everyone. As with the ComfortGrande, some reviewers express concerns about the temperature control and edge support.
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Brad is a lifelong resident of the Pacific Northwest who holds a bachelor’s degree in English from Western Washington University. As someone who has lived with sleep problems throughout his adult life, Brad is passionate about helping others get the rest they need. He’s professionally tested and reviewed sleep products for nearly a decade.
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