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 easy setup, CertiPUR-US certified foams, and a 10-year limited warranty, you and your whole family can sleep soundly knowing that this mattress has got your back.
How is the mattress shipped to my house?
The comfort you expect from Serta® is conveniently packaged in a box and shipped to your door – just unpack, unroll, and unwind on your new mattress for a great night's sleep.
Serta Always Comfortable
As a pioneer in sleep innovation for over 90 years, every mattress across the Serta® portfolio is designed to provide superior comfort you can trust night after night. The Serta mattress was designed with you in mind. Serta mattresses undergo rigorous performance and durability testing to ensure yours is as comfortable on the 1000th night as it was on the first night. To take it one step further, Serta also tests individual components, giving you Serta quality and durability down to the last stitch. Shop smart and sleep comfortably.
Serta 8” Gel Memory Foam Mattress, Firm:
- Serta® Gel Memory Foam: This unique gel memory foam contours to the body for cradling comfort and allows airflow to keep you cool and comfortable throughout the night
- Serta® Foam Core: Our new and improved Serta Foam Core provides durable support for any sleep position. With consistent support from edge to edge, you'll be comfortably supported all night long.
- Firm Mattress
- Thoughtful, compact packaging, using 25% less cardboard than standard mattress-in-a-box packaging
- For better performance use a box spring, adjustable base, or another support system like a platform bed
- Easy assembly - just unpack and unroll
- Tested beyond the industry's standards to ensure lasting comfort and durability
- Our foams are CertiPur-US Certified
- Available in Twin, Twin Extra Long, Full, Queen, King, and King Mattress sizes
- Twin Dimensions: 74.5" L x 40" W x 10"
- Twin XL Dimensions: 79.5" L x 38" W x 10"
- Full Dimensions: 74.5" L x 53" W x 10"
- Queen Dimensions: 79.5" L x 60" W x 10"
- King Dimensions: 79.5" L x 76" W x 10"
- Cal King Dimensions: 83.5" L x 72" W x 10"