Size: Full  • Comfort level: Medium
Construction: Hybrid mattress with foam layers and wrapped coils
Comfort layer: High-density quilt foam
Lumbar cushioning: High-density gel memory foam
Coil system: Individually wrapped power-packed coils
Edge support: 2 perimeter rows of 9" 13-gauge wrapped coils
Comfort fiber: Flame-retardant polyester
Profile: 10" mattress thickness
Compatibility: Adjustable-base compatible
Foundation/box spring: Sold separately
Setup: Ships compressed in a box; allow up to 48 hours for expansion
Warranty: 10-year non-prorated manufacturer warranty
Manufacturer status: Discontinued; verify remaining inventory
Why choose the Ashley Sleep 10-Inch Pocketed Hybrid Full Mattress M58921?
The Ashley 10-Inch Pocketed Hybrid M58921 combines medium-rated cushioning with individually wrapped coil support in a Full size that offers more sleeping width than a Twin without requiring the floor space of a Queen. High-density quilt foam provides surface comfort, while gel memory foam adds contouring around the lumbar area. Beneath these layers, independently responding coils help reduce motion transfer, and two rows of heavier perimeter coils provide additional support near the mattress edges. Its 10-inch thickness also helps maintain a lower finished bed height than taller hybrid models, making it practical for an existing raised bed frame. Adjustable-base compatibility provides another setup option. With its combination of foam cushioning, traditional spring support and space-conscious dimensions, M58921 suits shoppers seeking a medium-feel hybrid for a single-sleeper bedroom or guest room. Ashley lists the model as discontinued, so remaining availability should be confirmed before ordering.
Specificationsâ–¶
Specifications Details
Dimensions
74.5''W x 53''D x 10''H
Weight
62.0 lbs
Color
White
UPC
024052813364
Brand Name
Sierra Sleep® by Ashley
Material
Fabric
Lifestyle
Traditional
Bed Size
Full
Pattern
Textured
Mattress Feature
Gel, Hybrid, Cooling
Assembly
Assembly Not Required
Product Detailsâ–¶
Comfort level: medium
10" profile height
High-density quilt foam
High-density gel memory foam lumbar support
Individual power packed wrapped coils
2 perimeter rows of 9" 13-gauge wrapped coils for edge-to-edge support
Flame-retardant polyester comfort fiber
Adjustable base compatible
10-year non-prorated warranty
Note: Purchasing mattress and foundation from two different brands may void warranty; check warranty for details
Foundation/box spring sold separately
State recycling fee may apply
Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening
Is the Ashley 10-Inch Pocketed Hybrid M58921 Full mattress a good choice for a smaller bedroom?
The Ashley M58921 measures 53 inches wide and 74.5 inches long, giving a single sleeper 15 inches more width than a standard Twin while retaining approximately the same length. Compared with a Queen, it occupies about 7 inches less width and 5 inches less length, leaving more room for nightstands, dressers or walking space. A Full mattress can also accommodate two people, but each would have only about 26.5 inches of width when shared equally. For smaller bedrooms, the differences between Twin, Twin XL and Full sleeping dimensions help determine whether extra width or additional floor clearance is more important.
How does the Ashley M58921 combine medium comfort with motion reduction and reinforced edges?
Ashley rates the M58921 as medium, with quilt foam and gel memory foam cushioning an individually wrapped coil system. The upper foam layers provide contouring while the coils supply underlying support, producing a different feel from an all-memory-foam mattress. Because each wrapped coil can respond more independently, the construction is designed to limit movement spreading across the bed. Two perimeter rows of heavier 13-gauge coils add resistance near the edges, although they do not make the sides completely rigid. Since motion can travel through both mattress materials and the supporting bed frame, a stable foundation also matters. Individual comfort and motion sensitivity vary.
Can the Ashley 10-Inch Pocketed Hybrid Full M58921 use an adjustable base, and how tall will the finished bed be?
Yes. Ashley lists the M58921 as adjustable-base compatible. Its 10-inch thickness means a support surface positioned 12 inches above the floor would create an approximate mattress-top height of 22 inches before compression. This is two inches lower than a 12-inch mattress on the same foundation. Choosing between a lower sleeping surface and a standard-height bed arrangement depends on the existing frame, foundation and personal preference. The foundation or box spring is sold separately, and the selected support should meet Ashley's warranty requirements. The mattress ships compressed in a box and requires up to 48 hours for expansion after opening. Because M58921 is discontinued, confirm remaining inventory before purchasing.
Shopping for the Ashley Sleep 10-Inch Pocketed Hybrid Full Mattress M58921? VBU Furniture can help confirm remaining stock, with local pickup, Chicago and Illinois delivery, and nationwide shipping across the contiguous 48 states. Contact us about available delivery and setup options.
