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Certifications

CPSC - 16 CFR 1633 Compliant
Yes
CPSC - 16 CFR 1632 Compliant
Yes
Sustainability Certificate(s)
CertiPUR-US® Certified

Details

Comfort Level
Medium
Mattress Top Type
Tight Top
Foam Type
Gel Memory Foam
Box Spring Included
No
Compatible with Adjustable Bed Base
Yes
Mattress in a Box
Yes
Cover Material
Polyester
Removable Cover
No
Number of Layers
2
Weight Capacity
1,000 lb.
Cooling Technology
Yes
Cooling Type
Gel Foam or Gel Infused Foam
Breathable
Yes
Low Motion Transfer
Yes
Mattress Edge Support
Yes
Reversible
No
Handle(s) Included
No
Product Type
Gel Memory Foam

Warranty

Commercial Warranty
No
Product Warranty
Yes
Warranty Length
10 Years
Full or Limited Warranty
Limited

At a Glance

  • Cooling Technology

  • Compatible with Adjustable Base

  • Breathable Construction

  • Mattress Edge Support

  • Low Motion Transfer

  • Medium Firmness

  • Shop Sustainably: CertiPUR-US® Certified

  • Mattress Thickness - Top to Bottom: 8 ''

Product Dimensions

Product Dimensions

Mattress Size: King

Mattress Overall
76'' W X 79.5'' L
Mattress Thickness - Top to Bottom
8''
Mattress Weight
72.9 lb.

Mattress Size: Full

Mattress Overall
54'' W X 74.5'' L
Mattress Weight
50.18 lb.
Mattress Thickness - Top to Bottom
8''

Mattress Size: Queen

Mattress Overall
60'' W X 79.5'' L
Mattress Thickness - Top to Bottom
8''
Mattress Weight
58.95 lb.

Mattress Size: Twin

Mattress Overall
38'' W X 74.5'' L
Mattress Thickness - Top to Bottom
8''
Mattress Weight
38.19 lb.

    Features

    • A medium-firm feel 8" mattress provides cooling and support.
    • Proudly 100% USA assembled
    • Cool, supportive gel memory foam comfort, conveniently packaged in our smallest carton ever.
    • A medium-firm feel 8" mattress provides cooling and support and ships to your front door for the easiest contactless delivery yet.
    • Gel memory foam contours to your body and allows airflow to keep you cool.
    • Our Foam Support Core (no coils) layer provides durable support
    • Consistent edge-to-edge support is provided by our Foam Support Core
    • Your new mattress may initially feel firmer than expected. Please allow up to 60 days to acclimate to your new mattress as it naturally adjusts to contour, comfort, and support you best.
    • Premium memory foam is temperature-sensitive; it may feel firmer in cooler temperatures and softer in warmer ones. For your preferred comfort, please allow several hours for your memory foam mattress to adjust to the room’s temperature.
    • Compatible with most frames, platforms, and adjustable bases.

    About This Product

    The Serta Sheer Slumber 8" Medium Firm Gel Memory Foam Mattress-In-A-box delivers quality, convenient comfort to your front door in our smallest carton ever. We’ve combined cooling Serta Gel Memory Foam with our durable Serta Foam Core for a cool, supportive mattress that keeps you in dreamland all night long. And the best part? this mattress isn't just for grown-ups. Tested for kids and guestrooms, Sheer Slumber is bound to land in any room you need. With an easy setup and a 10-year limited warranty, you and your whole family can sleep soundly knowing that this mattress has got your back.
    From $266.26 was$453.7041% Off

    100-Night Free Trial

    We believe in great sleep, guaranteed.

    That's why every mattress you purchase from Wayfair comes with a 100-Night Trial. Adjusting to a new mattress takes time, so try yours for up to 100 nights. If you don't love your new mattress within the first 100 nights, contact our mattress experts to arrange a return. Please note this excludes Mattress Toppers, Crib Mattresses, Air Mattresses, and Open Box Mattresses, and you may return or exchange a mattress once per order.

    Learn More

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