TypeInnerspring with a Bonnell spring system, 0.4-inch cushioning foam layer, and two felt liners.
Height8 inches
Warranty
The 30-second verdict
For buyers who want a basic innerspring, yes; the catch is its 0.4 in cushioning foam layer. If you want an all-foam bed instead, Siena 10-inch Signature Memory Foam Mattress by Siena is a better fit, with a Queen list price of $329 compared with the Kate's Queen list price of $228.56. Sleep Foundation gives Siena a 7.5 overall test-lab score to weigh against its higher list price. Buy it only if you want an innerspring feel.
Best forSleeper who wants a basic innerspring
Not ideal forSleeper who wants an all-foam bed
Kate Mattress
Sizes2Queen to King
Pros
Quick expansion. Modway says the mattress typically takes 2 to 3 hours to fully expand, so setup can be quick.
Flexible setup. Modway says a box spring or foundation is optional, so you can choose either setup.
Fast response. Dweva's tester said the mattress responded immediately when rolling from back to side.
Cons
Low profile. The mattress is 8 inches tall, so check how that height will sit on your frame.
Edge sitting. Dweva scored edge support 3.6/5 and found it more stable lying near the edge than sitting directly on it.
Return shipping. Modway's trial lasts 30 days, but the customer pays return shipping if the bed is returned.
Is the Kate Mattress right for your sleep position and body weight?
The Kate may suit combination sleepers who roll from back to side during the night: Dweva reported it responded right away rather than slowly reforming around them. That is a useful sign if you change between those positions, but it describes the move itself, not comfort once you settle. Dweva rated edge support 3.6/5, finding the mattress more stable while lying near the edge than sitting directly on it. If you sit on the side to get dressed, expect less steadiness than when lying there. Treat the back-to-side response as one narrow fit clue, not a full verdict across positions.
3.6 / 5
Edge support, outside tester
Dweva: 3.6/5
Neck: lying on your side, ask if your pillow and the bed keep your head in line with your spine.
Shoulders: ask if the shoulder under you settles in, or if you feel a pinch after a few minutes.
Back: lying face up, slide a hand under your waist. A big gap or no room at all is a sign of a poor match.
Hips: ask if your hips dip lower than your shoulders, like lying in a shallow bowl.
Four checks: lie still for a few minutes in the position you sleep in most, then notice how each spot feels. These are comfort checks, not a medical test.Sources (1)
The Kate is not a proven pick for back pain. Modway presents its two felt liners as a pressure-relief feature for the back, hips, and shoulders. The liners sit on either side of the springs. That is the brand's claim, not proof of pain relief. If back support is your priority, judge the mattress by your own comfort before buying it.
What the brand says
Modway says two felt liners, above and below the springs, evenly distribute weight and relieve pressure on the hips, back, and shoulders.
Ongoing back pain? Ask a doctor or physical therapist what support your back needs before you buy.
The Kate’s listed build is a mix of foam, steel springs, felt, and polyester, arranged from a quilt top to a barrier. From top to bottom:
Padded Polyester Quilt Top: polyester.
Cushioning Foam Layer: foam, 0.4 in thick.
Spring layer: steel. Modway names it Individually Wrapped Coils.
Felt Liners Above/Below Innerspring: felt.
Fire Resistant Polyester Barrier: polyester.
There is a spring-type conflict: Modway’s build description says Bonnell spring system, but its layer list says Individually Wrapped Coils. Ask Modway which description applies before choosing by coil design. This foam-over-springs build is not all foam, so choose another mattress if you want foam throughout.
Layers: in the order the brand lists them. Layer order only, not to scale.
The Kate Mattress has a padded polyester quilt top. If you are comparing covers, use this description to check whether the named material fits your preferences, then compare the construction details given for other beds. Clear cover descriptions make it easier to weigh options on the same terms before you choose. Do not assume another mattress uses the same cover materials.
Modway describes the Kate's fire barrier as polyester, not fiberglass. This is the material Modway names for the barrier. Check the law tag for the mattress's listed materials before buying. The tag gives you a direct way to review what is listed for this bed and decide whether it fits your material preferences.
Modway says a box spring or foundation is optional for this mattress. You do not need to buy either as a required extra, so if you already own one of those bases, you can avoid a new base purchase.
The brand says FedEx orders typically arrive within 5-7 business days. If you need the mattress by a certain date, leave room for that delivery window rather than planning around an earlier arrival. Check your delivery date before making plans.
Typical wait: FedEx orders typically arrive within 5-7 business days
Full delivery and setup rules for every model: Modway review →
You have 30 days after receiving to request a return, so decide within that window. The brand says the return fee is Customer pays return shipping, so sending the mattress back adds a shipping expense. Budget for that cost before buying if you may need to return it.
Your return window
At receiptItem received; 30 days to request a return
Day 30Last day to request a return by email
What each choice costs you
Keep itNothing more to do
Return itCustomer pays return shipping. Item must be unused, same condition
Swap itReturn the original item and place a new order
Not covered by the trial: Closeout, Outlet or Final Sale items; all Canada sales are final
Return window: 30 days. Put the last date in your calendar the day the bed arrives.
Full trial and return rules for every model: Modway review →
A dweva.com tester reported the mattress responded right away when rolling from back to side. This outside-tester observation may help if you change positions at night.
Scroll sideways to see the whole table
Tester
What it says about owner reviews
Dweva
The tester said the mattress responded immediately when rolling from back to side.
Choose by what you want to change: Modway’s siblings shift the build, while other brands offer budget or hot-sleeper alternatives. Mila has 0.75-inch memory foam and 7.25-inch responsive foam. Jenna is a firm innerspring with individually wrapped pocket coils that isolate motion between partners. Modway says Aveline’s cooling memory foam reduces bounce between sleepers.
Siena is a budget-conscious all-foam option, and Sleep Foundation lists some side sleepers among its best-fit groups. Its Queen list price is $329. Sleep Foundation gives it a 7.5 overall test-lab score.
For hot sleepers seeking an innerspring, consider Saatva Classic. Sleep Foundation gives it a 9.5 overall test-lab score. Its Queen list price is $2,229-$2,249, depending on height.
Pick it for: a firm innerspring with coils that isolate motion between sleeping partners.
Another Modway model
Aveline Memory Foam Mattress
Pick it for: cooling memory foam aimed at couples: Modway says it reduces bounce between sleepers.
Another brand
Saatva Classic by Saatva
Why pick it: For hot sleepers seeking an innerspring, consider Saatva Classic: Sleep Foundation gives it a 9.5 overall test-lab score.
Another brand
Siena 10-inch Signature Memory Foam Mattress by Siena$329 Queen
Why pick it: For a budget-conscious all-foam option, especially for some side sleepers, consider Siena: Sleep Foundation gives it a 7.5 overall test-lab score.
Rival prices are Queen prices and they change, so check the store before you buy.
We read the maker's own pages, outside testers and owner reviews, and we date every fact. We do not test beds ourselves. Every source we used is listed below with the day we checked it.
Step 01Brand
What Modway publishes
We read the product page, spec tabs and policy pages for layers, sizes, list prices, trial and warranty.
Step 02Testers
Outside test results
We credit each score to the tester that gave it and never blend scores into one number.
Step 03Owners
Owner reviews
Where a rating exists, we read the owner reviews behind it and outside summaries of what owners like and dislike.
We could not find enough good evidence to answer these questions yet, so this page leaves them out: How Firm Is It?, Partner Motion, Where to Try, Warranty.
