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Serta Perfect Sleeper X Knox Hybrid Mattress
Serta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid MattressSerta Perfect Sleeper X Knox Hybrid Mattress
Bed SizeKing
Material+5.5" Boxspring
+5.5" Boxspring
+9" Boxspring
Mattress Only
Mattress Comfort LevelFirm
Smart summary
Generated by AI

Keeps Your Spine Aligned
Zoned coils and contouring memory foam support your body in any sleeping position.
Choose Plush Or Firm
Plush suits side sleepers, while the Firm option supports back and stomach sleepers.
Stays Cool All Night
Cooling foam pulls heat away from your body.
No Heavy Lifting Required
White glove delivery includes setting up your new mattress and removing your old one.
Fits Your Existing Frame
Works with most bed frames and bases.
Specifications
Mattress
- Twin XL: 39" x 80"
- Full: 54" x 75"
- Queen: 60" x 80"
- King: 76" x 80"
- Cal King: 72" x 84"
Standard Foundation/Base
- Twin XL: 39" x 80", 750 lbs weight limit, 28 lbs
- Full: 54" x 75", 750 lbs weight limit, 38 lbs
- Queen: 60" x 80", 750 lbs weight limit, 45 lbs
- King: 76" x 80", 750 lbs weight limit, 56 lbs
- Cal King: 72" x 84", 750 lbs weight limit, 58 lbs
Low Profile Foundation/Base
- Twin XL: 39" x 80", 750 lbs weight limit, 27 lbs
- Full: 54" x 75", 750 lbs weight limit, 36 lbs
- Queen: 60" x 80", 750 lbs weight limit, 45 lbs
- King: 76" x 80", 750 lbs weight limit, 56 lbs
- Cal King: 72" x 84", 750 lbs weight limit, 58 lbs
Current price is USD$2,599.00
Prices may vary in club and online
Freight shipping
Free shippingColumbus, 43215
Arrives by Wed, Nov 25
Return or replace anytime.

Limited time! Get a $60 statement credit when you open an account between 10/28-12/2 and use it to make $30 in eligible Sam’s Club purchases within 30 days¹
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current price $1,699.00
Serta Perfect Sleeper X Knox Hybrid Mattress
4.6704 out of 5 Stars. 267 reviews
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About this item
Member ratings & reviews
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Showing 1-3 of 267 reviews
Jun 7, 2026
Reviewer name: Telisa S
5 out of 5 stars review
So far so good!
Review from Serta
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Mar 9, 2026
Reviewer name: Carin Z
5 out of 5 stars review
Best Night Sleep Period.
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Mar 8, 2026
Reviewer name: dimpelss
5 out of 5 stars review
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Current price is USD$2,599.00
Prices may vary in club and online
Freight shipping
Free shippingColumbus, 43215
Arrives by Wed, Nov 25
Return or replace anytime.





























