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Saatva Classic vs Slumber Solutions Renew 12" Customize Your Comfort Gel Foam Mattress-In-A-Box, Firm, King

Buy the Saatva Classic if you want a durable innerspring with a real sleep trial and firmness choice; buy the Slumber Solutions Renew if you want a firm king-size gel foam bed for as little as possible. The Saatva Classic queen is $1,599.00 at Saatva as of November 4, 2026, and has sold as low as $934.00 since October 28, 2026. The Slumber Solutions Renew is a budget bed-in-a-box with no listed price here, so compare its current store price against that Saatva low before deciding.

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Saatva
Saatva Classic

Saatva Classic

4.8· 6,625 ratings
$1,599.00at SaatvaObserved Nov 3, 2026, 8:37 AM
Visit store

Choose the Saatva Classic if you want an innerspring with a 365-night trial, three firmness levels, and coil support built for back and joint comfort.

Pros
  • 365-night sleep trial and a strong warranty back the price
  • Three firmness levels fit different sleep positions
  • Coil core resists sagging and gives firmer edges
  • GREENGUARD Gold and CertiPUR-US certified foams
  • Organic cotton cover with antimicrobial treatment
Cons
  • $1,599.00 for a queen at Saatva as of November 4, 2026
  • Heavy and hard to move without help
  • Foundation not included
  • King and Cal King cost more than the queen
Slumber Solutions
Slumber Solutions Renew 12" Customize Your Comfort Gel Foam Mattress-In-A-Box, Firm, King

Slumber Solutions Renew 12" Customize Your Comfort Gel Foam Mattress-In-A-Box, Firm, King

Choose the Slumber Solutions Renew if you want a firm king gel foam mattress at a low price and do not need a trial or firmness options.

Pros
  • Low price for a king-size gel foam mattress
  • Ships compressed in a box and needs no turning
  • Firm feel suits back and stomach sleepers
  • Latex-free and fiberglass-free
Cons
  • No stated sleep trial or warranty details
  • Only firm or medium feel, no plush option
  • All-foam build softens at the edges and can sleep warm
  • Polyester cover, spot clean only

What separates them

Saatva ClassicSlumber Solutions Renew 12" Customize Your Comfort Gel Foam Mattress-In-A-Box, Firm, King
ConstructionDual-coil innerspring with over 1,000 recycled steel coils plus foamAll-foam gel memory foam core
Firmness optionsPlush Soft, Luxury Firm, FirmFirm (medium also listed)
Sleep trial365 nightsNot stated
CertificationsCertiPUR-US and GREENGUARD GoldLatex-free and fiberglass-free only
CoverOrganic cotton blend with antimicrobial treatmentPolyester
King size priceQueen is $1,599.00 at Saatva as of November 4, 2026; king costs moreBudget bed-in-a-box, typically far less
Edge supportCoil perimeter holds edges firmerFoam edges soften over time
SetupDelivered with white-glove option; foundation sold separatelyShips compressed in a box; never needs turning

Price history

$2,099.00$611.99
Oct 28Nov 3
  • Saatva Classic: lowest $934.00 on Nov 1 at Saatva; $1,599.00 on Nov 3.
  • Slumber Solutions Renew 12" Customize Your Comfort Gel Foam Mattress-In-A-Box, Firm, King: lowest $611.99 on Oct 31 at Kohl's.

Prices at every store

Saatva Classic

  • SaatvaNew

    In stock

    $1,599.00Observed Nov 3, 2026, 8:37 AM
    Visit store
Prices and history →

Slumber Solutions Renew 12" Customize Your Comfort Gel Foam Mattress-In-A-Box, Firm, King

  • Kohl'sCheck price at Kohl's
  • WalmartCheck price at Walmart
Prices and history →

Specs compared

SpecSaatva ClassicSlumber Solutions Renew 12" Customize Your Comfort Gel Foam Mattress-In-A-Box, Firm, King
Firmness LevelFirm, Luxury Firm, Plush SoftMedium, Firm
Mattress TypeInnerspringGel Mattresses
TypeMattressMattress
Length84" (Cal King/Split Cal King)84 inches (California King)
Width60" (Queen)76 inches (King)
CertificationsCertiPUR-US certified, GREENGUARD Gold certifiedLatex-free, Fiberglass free
Core MaterialInnerspringFoam
Cover MaterialOrganic cottonPolyester
MaterialOrganic cottonPolyester
Foundation TypeAdjustable Base (compatible with 11.5" height o…Platform foundation, Conventional box spring
Foundation IncludedNoNo
Fill MaterialFoamMemory Foam
Show all 36 specsShow fewer specs
SpecSaatva ClassicSlumber Solutions Renew 12" Customize Your Comfort Gel Foam Mattress-In-A-Box, Firm, King
Fill TypeHigh-density memory foamGel Foam
Fill StyleFirm, Luxury Firm, Plush SoftFirm
Fill Specialty StyleAntimicrobialLatex-free
Construction HighlightsTuftedNever needs turning
Sleep PositionAny sleep positionEvery sleep position
Specialty StyleEuro pillow topTight Top
Typical UsersSleeper (up to 300 lbs per sleeper)UNISEX
Fill Weight72 lbs (Full, 11.5" Firm)—
Coil TypeRecycled steel coils, Dual-coil design

What reviewers say

Saatva Classic

With 4.8 out of 5 from 6,625 ratings and a 96% satisfaction figure cited by Saatva, the Classic is one of the most-reviewed online mattresses. Owner surveys report better sleep and less back and neck pain than on previous mattresses.

Pros
  • 93.9% of surveyed owners said it helped alleviate back pain
  • 91% said they wake up more refreshed than on their old mattress
  • 97.5% would recommend Saatva to friends and family
  • Hotel-like pillow-top comfort at a lower price than luxury store brands
Cons
  • Some sleepers find the Luxury Firm firmer than expected
  • Edge support and motion isolation trail foam rivals
  • Heavy mattress is hard to move or rotate alone

Slumber Solutions Renew 12" Customize Your Comfort Gel Foam Mattress-In-A-Box, Firm, King

Feedback on the Renew line is mixed. Owners who want a hard bed tend to be satisfied for the price, while side sleepers and heavier buyers often find it too firm or prone to softening.

Pros
  • Firm support for back sleepers
  • Good value for a King
  • Easy to unbox and expand
Cons
  • Too firm for side sleeping
  • Softens or sags over time for some owners
  • Initial chemical odor

Questions and answers

Which is better for back pain?
The Saatva Classic. Its Lumbar Zone coil design and three firmness levels let you pick support that fits your back. The Slumber Solutions Renew is a plain firm foam slab with no zoned support.
Is the Saatva Classic worth the extra money?
If you keep a mattress eight to ten years, yes. You get a 365-night trial, certified foams, and a coil core that resists sagging. The Slumber Solutions Renew is the pick if budget is the deciding factor.
Which lasts longer?
The Saatva Classic. Triple-tempered steel coils hold their shape longer than an all-foam core, which softens with body heat and weight. Budget foam beds often need replacing sooner.
Which is better for a hot sleeper?
The Saatva Classic. Its breathable organic cotton cover and coil airflow run cooler than gel memory foam, which traps heat.
Can I use either on an adjustable base?
The Saatva Classic works with adjustable bases at its 11.5-inch height. The Slumber Solutions Renew fits platform foundations and box springs; check with the seller before using an adjustable base.
Which is better for a couple?
The Saatva Classic, mainly for motion isolation and edge support. A firm all-foam king like the Slumber Solutions Renew can work for couples on a tight budget, but edges soften faster.

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Buying guides that pick them

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HandcraftedYes—
Sleep Trial365 Nights—
Bed size—King
Mattress comfort level—Firm
Mattress thickness—12 in
Brand—Slumber Solutions
Mattress top type—Tight Top
Dimensions—80.00 x 76.00 x 12.00 in
Manufacturer—Future Foam
Weight—98 lb
Assembly req—N
Color category—White
Care Instructions—Spot clean
For Kids—No
Age Range—Adult