Signature Design by Ashley King Size 12 Inch Hybrid Mattress - Cooling Gel Memory Foam, Lumbar Support, Fiberglass Free, Mattress in a Box
875.85$
In stock
- Cooling gel memory foam comfort
- Lumbar support for back relief
- Fiberglass-free safe materials
- Easy setup in a box
- King size spacious sleeping
Signature Design by Ashley King Size 12 Inch Hybrid Mattress with Cooling Review
The Signature Design by Ashley King Hybrid Mattress is a 12-inch bed-in-a-box designed for sleepers seeking a balance of plush comfort and firm support. It targets couples and individuals with back or neck issues who prefer a hybrid construction over all-foam options. The mattress combines a cooling gel memory foam comfort layer with an 8-inch wrapped coil system, aiming to reduce pressure points while maintaining responsive support. Key features include fiberglass-free materials, integrated lumbar support, and a firm comfort rating. Many reviewers report it effectively alleviates back pain and provides good edge support. The mattress arrives compressed in a box for easier delivery and requires 48-72 hours to fully expand before use.
Product Overview
This mattress measures 80 inches long by 76 inches wide with a 12-inch thickness in the king size. It uses a four-layer hybrid construction: a 2-inch high-density cushion firm foam top layer, a 2-inch high-density gel memory foam lumbar support layer, a 0.75-inch high-density base foam transition layer, and an 8-inch power-packed wrapped coil support core with 805 individually encased coils. The cover is made of fabric and should be spot cleaned only. The mattress is fiberglass-free, addressing a common concern with some memory foam beds. It comes compressed and rolled in a box, making delivery more manageable despite its 135-pound weight. Reviewers note the king size is particularly heavy and difficult to move alone. The firm comfort level is described by many as a 'comfortable firm' or medium-firm that provides cushioning without excessive sink. Some users mention it sleeps warm, though the gel memory foam aims to mitigate heat retention. The mattress is not customizable or portable and requires a compatible foundation or box spring, sold separately.
Key Features
Hybrid Construction
- βCombines gel memory foam comfort layers with an 8-inch wrapped coil system.
- βProvides the contouring of foam with the bounce and support of innersprings.
- βMany reviewers say it offers the best of both worlds compared to all-foam mattresses.
Cooling Gel Memory Foam
- β2-inch layer of high-density gel-infused memory foam.
- βAims to dissipate heat and reduce night sweats.
- βSome reviewers still report sleeping warm, though others find temperature neutral.
Integrated Lumbar Support
- βIncludes a 2-inch high-density gel memory foam layer specifically for lumbar support.
- βDesigned to maintain spinal alignment and reduce lower back pressure.
- βReviewers with back pain often mention improved comfort and reduced morning soreness.
Fiberglass-Free Materials
- βUses foam and fabric materials without fiberglass.
- βAddresses safety and health concerns associated with some budget mattresses.
- βSimplifies cleaning and reduces potential irritation.
High-Density Foam Layers
- βFeatures 2-inch high-density cushion firm foam and 0.75-inch high-density base foam.
- βEnhances durability and prevents premature sagging.
- βContributes to the firm feel and good edge support noted by users.
Wrapped Coil System
- β805 individually encased coils in an 8-inch support core.
- βMinimizes motion transfer, beneficial for couples.
- βProvides responsive support and helps maintain mattress shape over time.
Bed-in-a-Box Delivery
- βArrives compressed and rolled in a box for easier shipping and handling.
- βRequires 48-72 hours to fully expand after unboxing.
- βReviewers emphasize following expansion instructions to avoid premature use issues.
Firm Comfort Level
- βRated as firm by the manufacturer, described by users as medium-firm.
- βSuits back and stomach sleepers, plus those needing extra support.
- βProvides a plush surface without excessive sink, according to many reviews.
Design & Build
The Signature Design by Ashley Hybrid Mattress uses a four-layer construction designed for durability and targeted support. The top layer is a 2-inch high-density cushion firm foam that provides initial softness and helps distribute weight. Below that, a 2-inch high-density gel memory foam layer focuses on lumbar support, aiming to cradle the lower back and maintain spinal alignment. A thin 0.75-inch high-density base foam acts as a transition between the comfort layers and the coil system. The support core consists of an 8-inch power-packed wrapped coil system with 805 individually encased coils. This hybrid approach combines the contouring benefits of memory foam with the responsiveness and airflow of innersprings. The cover is made of a breathable fabric that is spot clean only. The mattress is fiberglass-free, using foams and fabrics that avoid this common irritant. Aesthetics are minimal with a gray finish and simple stitching, focusing on function over elaborate design. The king size measures 80 by 76 inches with a 12-inch profile, giving it a substantial presence. Edge support is reinforced by the coil system and high-density foams, preventing excessive roll-off. The mattress is heavy at 135 pounds, making repositioning challenging without assistance. It arrives compressed in a box, which eases delivery but requires careful unboxing to avoid damage.
Performance
In terms of comfort and support, many reviewers describe the mattress as a 'comfortable firm' or medium-firm. It provides a plush surface that contours to the body without causing a deep sink feeling. The gel memory foam layer aims to offer cooling, though some users report sleeping warm, indicating temperature regulation may vary. The hybrid construction delivers good motion isolation, with couples noting minimal disturbance from partner movement. The wrapped coils provide responsive support, helping sleepers change positions easily. Edge support is consistently praised, allowing full use of the mattress surface without sagging. For back and neck pain sufferers, numerous reviews highlight significant improvement in morning soreness and better spinal alignment. The mattress maintains its shape well over time, with users reporting no noticeable sagging after extended use. However, a few mention initial off-gassing odors, though most say any smell dissipates quickly. The firmness level suits back and side sleepers, particularly those needing extra support. Heavier individuals appreciate the robust construction, with the coil system preventing bottoming out. The mattress expands fully within 48-72 hours, and following this timeline is crucial to avoid comfort issues. Durability appears solid, with the high-density foams and encased coils resisting premature wear. Cleaning is straightforward with spot cleaning, though the non-removable cover limits deep cleaning options. Overall, performance balances pressure relief, support, and durability for a range of sleepers.
Pros and Cons
Pros
- βProvides excellent lumbar support for back pain relief.
- βHybrid construction offers good motion isolation for couples.
- βFiberglass-free materials enhance safety and ease of care.
- βStrong edge support allows full use of mattress surface.
- βFirm yet plush feel suits back and side sleepers.
- βDurable build with high-density foams and wrapped coils.
- βMinimal off-gassing reported by most users.
- βGood value compared to similar mattresses from furniture retailers.
- βEasy delivery via bed-in-a-box format.
- βMaintains shape over time without significant sagging.
Cons
- βVery heavy at 135 pounds, difficult to move alone.
- βSome users report sleeping warm despite gel memory foam.
- βRequires 48-72 hours to fully expand, delaying use.
- βNon-removable cover limits deep cleaning options.
- βFirmness may be too hard for strict side sleepers preferring soft.
- βPackaging can arrive damaged, risking mattress integrity.
- βFoundation or box spring sold separately adds to cost.
- βLimited size options in provided data (only king specified).
- βInitial expansion period critical; premature use can cause issues.
- βNot customizable or adjustable for personalized comfort.
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