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Sierra Sleep® By Ashley Innerspring Firm Twin Mattress in a Box

Model #: M96311
Sierra Sleep
At a Glance
This budget-friendly firm twin mattress offers a comfortable night’s sleep at a comfortably affordable price. At the core of this mattress: 13.5-gauge tempered Bonnell steel coils that provide maximum support for a sound sleep. The mattress’ quality foam and quilted polyester fabric add an enhanced level of comfort. Foundation available, sold separately.
$162.00Save $NaN

Get to know this product.


  • High-quality Bonnell coils offer consistent support and proper balance.
  • 1" high-density support foam delivers edge-to-edge support.
  • Knit quilt cover: polyester.
  • Poly-foam support.
  • Foundation sold separately.
  • Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening.

*Mattress only, all other products sold separately. Images may not depict actual size.


Misc. Specs

Product Weight (lbs.)69
Height (in.)6
Mattress SizeTwin
Width (in.)37
Length (in.)74
Double Sided MattressNo
Manufacturer Warranty1 Year
Age GroupAdult
Color Finish NameWhite
Mattress Comfort LevelFirm
Shipping Width (in.)41.75
Shipping Height (in.)11
Shipping Depth (in.)10.75
Mattress TopTight Top
Mattress ConstructionInnerspring
WarningProposition 65 Warning for California Residents