This hour's deals
−65%
Open boxHome · Baillio's
Serta Perfect Sleeper X Knox Hybrid Mattress
Deal score 9.6 · Unreal
$484.62$1,399.00 Baillio's price new
You save $914.38 at Baillio's
Deal.ai's agents found this deal on November 9. The store may have changed its price since.
Why it's a great deal
- Open box from Baillio's, compared with the price new
- New elsewhere right now: Wayfair $1,199.00, JCPenney $1,199.00, Sam's Club $1,483.90 (typical $1,199.00 across 3 stores)
- Less than buying it new at any of 3 stores
- Baillio's lists its regular price at $1,399.00: 65% off by its own figures
- Rated 4.6 out of 5 by 841 buyers
Every store we checked
- Baillio'sOpen box
In stock
$484.62Observed at 9:23 AM - WayfairNew
In stock
$1,199.00Observed at 9:23 AM - JCPenneyNew
In stock
$1,199.00Observed at 9:23 AM - Macy'sNew
Availability unknown
$899.00Observed Nov 4, 2026, 4:24 AM - Kelsey's ApplianceNew
Availability unknown
$999.00Observed Oct 30, 2026, 6:17 PM - Detroit FurnitureNew
Availability unknown
$1,099.00Observed Nov 4, 2026, 4:24 AM - AshleyNew
Availability unknown
$1,249.00Observed Nov 2, 2026, 9:21 AM - Mattress Depot USANew
Availability unknown
$1,299.00Observed Nov 2, 2026, 3:47 PM - Darvin Furniture & MattressNew
Availability unknown
$1,399.99Observed Nov 2, 2026, 9:21 AM - Sam's ClubNew
Availability unknown
$1,483.90Observed at 9:23 AM - Bed Bath & BeyondNew
Availability unknown
$2,099.00Observed Nov 2, 2026, 6:43 AM - Raymour & FlaniganNew
Availability unknown
$2,099.00Observed Nov 1, 2026, 8:52 AM
About it
Serta's Perfect Sleeper X Knox Firm 13.5" Quilted Hybrid Mattress offers a feel that is firm and supportive; ideal for stomach or back sleepers. It features five support zones designed for full-body spinal alignment with a combination of supportive coils and Perfect Conform™ Memory Foam. Plus, a classic quilted feel that makes for night after night of perfect sleep.
From Mattress Depot USA
- 5 ZoneResponse Design pairs Perfect Conform memory foam with 5-zoned coils for full-body alignment
- Graphite-infused memory foam designed to redistribute heat away from your body
- Cooling technology for comfortable sleep throughout the night
- Quilted top offers a classic feel and an added layer of plush foam
- 13.5-inch hybrid firm mattress
- Sizes
- Cal King, King, Queen, Full, Twin XL
- Materials
- Perfect Conform memory foam with graphite infusion; 5-zoned coils; quilted top with plush foam
- Fit
- Firm
- Shipping
- Local delivery in Washington/Oregon; nationwide LTL freight with white-glove delivery in the continental U.S.; allow 1 business day to process; West Coast about
Specs
- Firmness Level
- Firm
- Mattress Type
- Hybrid
- Type
- Mattress
- Length
- 83.5 in (Cal King)
- Width
- 76 in (King)
- Certifications
- CertiPUR-US Certified
- Core Material
- Coils, Foam
- Cover Material
- Fabric (Applying liquids may stain the fabric)
- Material
- Foam
- Foundation Type
- Box springs, Adjustable frames, Bunky boards, Platform frames, Slatted frames
About the Serta Perfect Sleeper X Knox Hybrid Mattress
The Perfect Sleeper X Knox is Serta's firm hybrid mattress, 13.5 inches thick, pairing 5-zone coils with graphite-infused Perfect Conform memory foam under a quilted top. It is aimed at back and stomach sleepers who want support and spinal alignment rather than a plush sink-in feel. It is assembled in the USA and CertiPUR-US certified.
Best forBack and stomach sleepersCouples wanting a firm, supportive feelHot sleepers drawn to graphite and cooling foamBuyers who want a US-assembled hybrid
Pros
- Firm, supportive feel with 5-zone coils for alignment
- Graphite-infused memory foam aimed at moving heat away
- 13.5-inch profile with a quilted top for a classic feel
- Works on box springs, platform, slatted and adjustable bases
- CertiPUR-US certified foams; assembled in the USA
Cons
