Sierra Sleep by Ashley 10 Inch Medium Hybrid King Mattress in a Box - Gel Memory Foam with Pocketed Coils, CertiPUR-US Certified
Sierra Sleep by Ashley 10 Inch Medium Hybrid King Mattress in a Box - Gel Memory Foam with Pocketed Coils, CertiPUR-US Certified
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Sierra Sleep by Ashley 10 Inch Medium Hybrid King Mattress in a Box - Gel Memory Foam with Pocketed Coils, CertiPUR-US Certified

4.2 stars out of 256 reviews
(4.2)|
256 ratings
Sierra Sleep by Ashley 10 Inch Medium Hybrid King Mattress in a Box - Gel Memory Foam with Pocketed Coils, CertiPUR-US CertifiedSignature Design by Ashley 10 Inch Pocketed Hybrid King Mattress WhiteSignature Design by Ashley 12 Inch Pocketed Hybrid Twin Mattress WhiteSignature Design by Ashley 12 Inch Pocketed Hybrid Queen Mattress WhiteSignature Design by Ashley 10 Inch Pocketed Hybrid Queen Mattress WhiteSignature Design by Ashley 10 Inch Pocketed Hybrid Full Mattress WhiteSignature Design by Ashley 12 Inch Pocketed Hybrid California King Mattress WhiteSignature Design by Ashley 12 Inch Pocketed Hybrid Full Mattress WhiteSignature Design by Ashley 10 Inch Pocketed Hybrid Twin Mattress White
Size:King
Assembled Product Height:10 in

Key item features

  • Medium comfort level - ideal for side and back sleepers
  • 10-inch hybrid design with gel memory foam and pocketed coils
  • High-density gel memory foam for cooling comfort and pressure relief
  • Individual wrapped coils provide motion isolation and targeted support
  • Dual perimeter coil rows (13-gauge) for enhanced edge support
  • High-density quilt foam top layer for plush surface comfort
  • Mattress-in-a-box delivery - compresses for easy transport and setup
  • Adjustable base compatible for customized sleep positions
  • 10-year non-prorated warranty for long-term protection
  • CertiPUR-US certified foams meet safety and environmental standards
Current price is Now $399.99
You save $149.01
was $549.00
Price when purchased online
  • Free shipping
  • Free 30-day returns
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Columbus, 43215
Arrives by Tue, Feb 17
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Sold and shipped by Furniture Express, LLC
4.444902162718846 stars out of 5, based on 971 seller reviews(4.4)
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Sierra Sleep by Ashley 10 Inch Medium Hybrid King Mattress in a Box - Gel Memory Foam with Pocketed Coils, CertiPUR-US Certified $399.99 Was $549.00

Sierra Sleep by Ashley 10 Inch Medium Hybrid King Mattress in a Box - Gel Memory Foam with Pocketed Coils, CertiPUR-US Certified
current price Now $399.99, Was $549.00

Sierra Sleep by Ashley 10 Inch Medium Hybrid King Mattress in a Box - Gel Memory Foam with Pocketed Coils, CertiPUR-US Certified

4.2 out of 5 Stars. 256 reviews

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Items may be delivered on different dates

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Customer ratings & reviews

4.2 out of 5 stars
stars256 ratings176 reviews
How item rating is calculated
  1. 5 stars62% (159)
  2. 4 stars20% (51)
  3. 3 stars5% (14)
  4. 2 stars3% (8)
  5. 1 star9% (24)

Reviews summary

Pros
  • : Provides optimal support for side sleepers.
  • : Offers good value at this cost.
  • : Provides correct firmness for comfortable sleeping.
  • : Accommodates visitors in a guest room.
  • : Mattress dimensions match customer preferences.
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Showing 1-3 of 176 reviews

May 26, 2025
SONJAK
5 out of 5 stars review

Comfortable

The mattress is comfortable & has relieved my back pain from my old one. Glad I made this purchase.

Review from ashleyfurnitureus.com
Helpful?7FNQB8MDTO9T1583568803
Aug 31, 2025
JOHNL
5 out of 5 stars review

Comfortable sleep

Bought this mattress for our guest bedroom. Slept on it ourselves and was very comfortable. Have had guests who have slept on it and were very happy with it as well. One asked for the model number so they could purchase it as a replacement for their guest bedroom as well.

Review from ashleyfurnitureus.com
Helpful?7FNQB8MDTO9T1583568803
Jan 17, 2025
Ken W
5 out of 5 stars review

Good Value For The Money

Very comfortable soft mattress for me as a side sleeper. It is definitely not a firm mattress as a couple reviewers suggested. Perhaps they were reviewing the wrong product. My expectations were pretty low given the price tag but I am more than happy with it. We will see how long it last.

Review from ashleyfurnitureus.com
Helpful?7FNQB8MDTO9T1583568803