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Yaasa Mattress
Overall Rating 7.8

$100 off with code: SF100


Price Range: $899 – $1,499

Mattress Type: Hybrid

Firmness Options: Medium Soft (4), Medium Firm (6)

At a Glance

The Yaasa Mattress is a hybrid mattress that combines foam and pocketed coil layers, designed to provide a balance of comfort and support. It features a medium-firm feel, making it suitable for sleepers of most sleeping positions and body types. The mattress incorporates cooling technologies, such as breathable foams and coil systems, to regulate temperature and promote a comfortable sleep environment.

Ratings Summary

ratings/sf-mattress-motion-isolation Icon Motion Isolation

7/10

ratings/sf-mattress-edge-support Icon Edge Support

6.5/10

ratings/sf-mattress-temperature-control Icon Temperature Control

6.5/10

ratings/sf-mattress-ease-of-movement Icon Ease of Movement

6/10

ratings/sf-mattress-off-gassing Icon Off Gassing

6.5/10

ratings/sf-mattress-pressure-relief Icon Pressure Relief

7.5/10

Pros

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    Adaptive foam hybrid contours closely to alleviate pain and pressure
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    Available in two firmness levels
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    Ideal cushioning for most side sleepers

Cons

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    Edges lack reinforcement and may sink when bearing weight
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    Foam layers may retain heat and sleep excessively warm
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    Stomach sleepers may find both firmness options lacking in support
Table of Contents

The Yaasa Mattress is a hybrid bed containing both pocketed coils and foam layers. It’s available in two firmness levels: “soft,” which measures medium soft, or 4 out of 10 on the firmness scale and “firm,” which measures medium firm, or 6 out of 10.

In addition to the Yaasa Mattress, Yaasa sells another mattress option called the Yaasa ONE. Like the Yaasa Mattress “firm” option, the Yaasa ONE is a hybrid bed that rates 6 out of 10 on the firmness scale. The Yaasa ONE sells at lower price points, however, and has a 10-inch profile compared to the Yaasa Mattress’s 11-inch profile.

Beyond mattresses, the Yaasa company sells an adjustable bed frame, pillows, sheets, a mattress protector, blankets, an adjustable desk, and an office chair. Yaasa primarily sells products directly to consumers online. They also sell items in their showrooms, which are located in Santa Barbara, Chicago, and Minneapolis, as well as in some retail stores.

This review focuses exclusively on the Yaasa Mattress. In it, we reveal results of our mattress testing, analyze the materials and construction of the bed, and provide information to help you determine if the Yaasa Mattress fits your needs.

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Sleeping Style and Body Weight

Yaasa – Soft

Sleeper Type

Under 130 lbs

130-230 lbs

Above 230 lbs

Side Sleepers

Side Sleepers

9/10

4.5/10

4.5/10

Back Sleepers

Back Sleepers

6/10

4.5/10

4.5/10

Stomach Sleepers

Stomach Sleepers

6/10

4.5/10

4.5/10

Yaasa – Firm

Sleeper Type

Under 130 lbs

130-230 lbs

Above 230 lbs

Side Sleepers

Side Sleepers

6/10

9/10

6/10

Back Sleepers

Back Sleepers

6/10

6/10

6/10

Stomach Sleepers

Stomach Sleepers

6/10

4.5/10

4.5/10

Side Sleepers

Side sleepers of all body weights rate the Yaasa Mattress highly. This bed’s transition layer promotes spinal alignment in side sleepers by keeping heavier body parts from sinking down to the support core. With spinal alignment maintained, side sleepers experience pressure relief instead of pressure points.

Side sleepers weighing less than 130 pounds tend to prefer the “soft” Yaasa Mattress and rate it exceptionally well. Side sleepers weighing between 130 and 230 pounds like both the “soft” and “firm” mattresses, depending on personal preference. Sleepers weighing over 230 pounds require the additional support provided by the “firm” mattress option.

Back Sleepers

Back sleepers across the weight spectrum find that the Yaasa Mattress provides adequate lumbar support and pressure relief. Since the Yaasa Mattress feels both conforming and responsive, it gives back sleepers the “hug” of memory foam without allowing them to sink into the mattress too deeply, which can create discomfort.

Back sleepers weighing under 130 pounds can choose between the “soft” and “firm” mattress options. People who prefer more “hug” will enjoy the “soft” option, while those who like a firmer feel will prefer the “firm.” Back sleepers weighing over 130 pounds should opt for the “firm” option. The “soft” option isn’t firm enough to support most back sleepers in this weight range.

Stomach Sleepers

Like side and back sleepers, most stomach sleepers rate the Yaasa Mattress highly. Stomach sleepers require a firmer bed, and the “firm” option of the Yaasa Mattress is able to offer adequate support to stomach sleepers of all body weights. That being said, some heavier stomach sleepers may find the bed too soft for their needs.

When stomach sleepers lie on a mattress that’s too soft, their body can sink in too deeply, putting pressure on the neck and back. For this reason, only stomach sleepers weighing less than 130 pounds should opt for the “soft” Yaasa Mattress. Those over 130 pounds require the additional support the “firm” option offers.

Mattress Performance

In addition to the hands-on feedback from our team, we conduct a number of quantitative tests in our Test Lab. The below ratings are based on the experience of our testers.

Motion Isolation

7 / 10

Both the “soft” and “firm” Yaasa Mattress options isolate motion well as a result of multiple construction elements.

The uppermost memory foam layer of the Yaasa Mattress is soft and conforming, so it absorbs motion. The pocketed coils are individually encased, so they do not spread motion the way innersprings do.

Motion isolation is most important to people who share a bed with a partner, children, or pets. When a mattress isolates motion well, sleepers are not likely to be disturbed by movements coming from others on the bed.

Pressure Relief

7.5 / 10

Soft: 8 / 10

Firm: 6 / 10

Due to the construction of the Yaasa Mattress’s comfort layers, the mattress relieves pressure well. The memory foam comfort layer is soft and conforming, contouring to the body’s curves. Below it, the transition polyfoam layer provides a mixture of softness and support, ensuring that heavier parts of the body don’t sink down to the support core.

When a mattress relieves pressure well, sleepers are less likely to experience pain or discomfort while lying on it. A pressure-relieving mattress evenly distributes a person’s body weight and promotes spinal alignment, so pressure points don’t form.

Temperature Control

6.5 / 10

Soft: 4 / 10

Firm: 6 / 10

Like most hybrid beds, the Yaasa Mattress succeeds at keeping sleepers cool throughout the night. First, its phase change material cover absorbs body heat and transforms it to a cooler temperature. Then, titanium in the memory foam comfort layer helps counteract foam’s tendency to trap heat. Finally, the pocketed coil layer allows for more airflow than foam, which also distributes body heat and keeps the bed cool.

The two Yaasa Mattress firmness options do perform slightly differently when it comes to temperature control. The “soft” firmness option is somewhat less effective at staying cool than the “firm” option. That said, both models rate well enough in terms of coolness.

Edge Support

6.5 / 10

Soft: 4 / 10

Firm: 6 / 10

The “firm” option of the Yaasa Mattress has stronger edges than the “soft” option. Most sleepers find the “firm” option has strong enough edges to allow for full use of the surface of the bed. These edges don’t put most sleepers at risk of rolling off the bed when sitting or lying near its edge.

The “soft” Yaasa Mattress doesn’t have firm enough edges for all sleepers, however. Some sleepers might find they do not want to sleep on or close to the edge of the “soft” Yaasa Mattress because doing so causes the edges to buckle or fold.

Ease of Movement

6 / 10

Most sleepers have no major problems when moving on the surface of the Yaasa Mattress. Although the mattress does “hug” the body a bit and provide a conforming feel, it is also fairly responsive. Sleepers don’t sink into the bed so deeply that they have trouble getting out of bed or rolling over, which can be an issue on ultra conforming mattresses.

Ease of movement is important for a few reasons. When a mattress inhibits movement, sleepers might not sleep as soundly because attempting to roll over could wake them up. Difficulty moving on top of a mattress can also be troublesome during sex.

Off-Gassing

6.5 / 10

Compared to other mattresses, the Yaasa Mattress off-gasses an average amount. Customers can expect to smell an odor when they first unbox the mattress. As the bed expands and airs out, the odor will dissipate. Any smells should become undetectable within a day or so.

Off-gassing occurs when volatile organic compounds (VOCs) escape from newly manufactured products. Generally, hybrid mattresses like the Yaasa off-gas less than all-foam beds. This difference is due to the beds’ materials. Coils tend to off-gas less than foam, and they also allow for airflow that can help off-gassed odors dissipate more quickly.

Yaasa Mattress Review Breakdown

The Yaasa Mattress is a hybrid bed. It contains two comfort layers: a soft, uppermost layer made of memory foam and a transition polyfoam layer that sits beneath it. The bed also contains two support core layers: a 6-inch pocketed coil layer atop one inch of polyfoam. These four layers give the mattress an 11-inch profile, which fits standard sheets.

The memory foam, polyfoam, and pocketed coil combination give this bed a feel that is both conforming and responsive. Although the Yaasa Mattress doesn’t conform to the body as closely as some all-foam beds, its memory foam comfort layer does give a “hugging” sensation.

Sleepers considering the Yaasa Mattress may choose from two options: one medium soft and one medium firm. The medium soft option rates 4 out of 10 on the firmness scale, while the medium firm option rates 6 out of 10. Both contain the same layers, measure the same thickness, and cost the same amount.

The Yaasa Mattress’s memory foam layer is infused with titanium. This metal infusion is intended to have a cooling effect, counteracting memory foam’s tendency to trap heat. A phase change material cover also provides a cooling effect, transforming body heat into a lower temperature.

Firmness

Medium Soft – 4, Medium Firm – 6

Mattress Type

Hybrid

Construction

Both firmness options of the Yaasa Mattress are constructed with two foam comfort layers and a support core containing a layer of pocketed coils atop polyfoam. Phase change material covers the bed, providing sleepers with a temperature neutral sleeping surface.

Cover Material:

Phase change material

Comfort Layer:

2″ titanium-infused memory foam

Transition Layer:

2″ transition polyfoam

Support Core:

6″ pocketed coils \ 1″ polyfoam

Mattress Sizing

Sizes Dimensions Height Weight
Twin 39″ x 75″ 11″ N/A
Twin XL 39″ x 80″ 12″ N/A
Full 54″ x 75″ 11″ N/A
Queen 60″ x 80″ 11″:N/A $1,299
King 76″ x 80″ 11″ N/A
California King 72″ x 84″ 11″ N/A

Trial, Warranty, and Shipping Policies

Availability

The Yaasa Mattress is available for purchase online via the Yaasa website. It is not sold on Amazon.

Yaasa Mattresses are also available in-person at Yaasa showrooms located in Santa Barbara, Chicago, and Minneapolis. Yaasa also partners with some retail outlets to sell their mattresses, but they don’t list the names or locations of these partners online.

Shipping

Yaasa ships for free within the contiguous United States. Online orders will not ship to Hawai’i or Alaska, but customers may call to make arrangements for orders to ship to these locations. Yaasa does not ship internationally.

Once your order is placed, Yaasa will email you with shipping information. This email will include a tracking number and estimated delivery date.

Customers who take advantage of free shipping are responsible for setting up their bed and disposing of their old mattress. Those who pay extra for white glove delivery and old mattress removal, however, will have these tasks done for them.

Additional Services

Yaasa offers white glove delivery, which they call “in-home delivery and setup.” This service is only available in the contiguous United States. An adult must be home at the scheduled delivery time, and workers will set up the delivered items.

White glove delivery costs $199 for customers purchasing the Yaasa Mattress and adjustable bed frame. The service is also available to customers who don’t purchase the bed frame, but customers must inquire to learn the cost.

Old mattress removal is also available for an additional fee. Only customers paying for white glove delivery can opt to also purchase old mattress removal. Customers must inquire about the fee.

Sleep Trial

The Yaasa Mattress comes with a 100-night sleep trial. Customers must try out the mattress for a minimum of 30 nights before initiating a return. After 30 nights, the mattress may be returned within 100 nights of when it was delivered.

Customers must take the Yaasa Mattress out of its box in order to be able to return it. If the mattress remains in the box for over 20 days after delivery, the sleep trial and warranty may be void.

Once a return is initiated, Yaasa will make arrangements to have the mattress donated or recycled. Customers do not have to pay to have the mattress returned. Tags must still be on the mattress in order for it to be accepted as a return.

Warranty

The Yaasa Mattress comes with a 10-year limited warranty. Only the person who originally purchased the mattress may use the warranty. The warranty may also be void if the mattress is left in its box for 14 or more days after delivery.

The warranty covers damage to the foam or coils that happened during normal use, along with body impressions deeper than 1.5 inches. If the mattress was damaged by a person or not kept on a solid bed frame, the warranty may be void.

Customers should email [email protected] to make warranty claims. During the first five years of the warranty, Yaasa will completely replace the mattress with a new one. During years six through ten, they will provide a credit. The credit operates as follows:

Years 6 – 7: 60% of original purchase price
Years 8 – 9: 50% of original purchase price
Year 10: 30% of original purchase price

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