Size: Queen  • Comfort level: Medium
Construction: Hybrid mattress with foam comfort layers and wrapped coils
Comfort layers: High-density plush quilt foam, comfort foam and luxury loft fiber
Lumbar cushioning: High-density gel memory foam
Support: Power-packed wrapped coils and base support foam
Edge support: Reinforced Ashley Edge coil system
Cover: Hyper Cool Luxury 4-way stretch knit
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
Why choose the Ashley Sleep Peak 2.0 12-Inch Hybrid Queen Mattress M20331?
The Ashley Peak 2.0 M20331 combines medium-rated cushioning with the support of individually wrapped coils, making it a practical option for shoppers who prefer a balance between firm and plush comfort. High-density quilt foam and comfort foam soften the sleeping surface, while gel memory foam adds contouring around the lumbar area. Beneath these layers, wrapped coils help reduce partner-motion transfer, and reinforced Ashley Edge provides additional support near the mattress perimeter. The Hyper Cool knit cover is designed to help manage surface temperature without guaranteeing a cool feel for every sleeper. At 12 inches thick, this model sits two inches higher than the Peak 2.0 10-Inch Hybrid on the same foundation. Adjustable-base compatibility provides flexibility when selecting a bed. Also available in Twin, Full, King and California King sizes; confirm the size-specific SKU before ordering.
Specificationsâ–¶
Specifications Details
Brand Name
Sierra Sleep® by Ashley
Material
Fabric
Lifestyle
Traditional
Bed Size
Queen
Mattress Feature
Hybrid
Assembly
Assembly Not Required
Product Detailsâ–¶
Comfort level: medium
Flame-retardant polyester comfort fiber
Luxury loft fiber
High-density plush quilt foam for support and comfort; high-density comfort foam
High-density gel memory foam for lumbar support; base support foam for added stability
Power-packed wrapped coil unit with Ashley Edge to minimize motion transfer and increase support
Hyper Cool luxury 4-way stretch knit cover for uniform comfort and durability
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
Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening
State recycling fee may apply
Availabilityâ–¶
Available Configurations
SKU M20331 — Queen Dimensions: 79.5''W x 60''D x 12''H | Weight: 79.0 lbs▶
This option is a Queen Mattress.
SKU M20311 — Twin Dimensions: 74.5''W x 38''D x 12''H | Weight: 49.0 lbs▶
This option is a Twin Mattress.
SKU M20321 — Full Dimensions: 74.5''W x 53''D x 12''H | Weight: 65.0 lbs▶
This option is a Full Mattress.
SKU M20341 — King Dimensions: 79.5''W x 76''D x 12''H | Weight: 98.0 lbs▶
This option is a King Mattress.
SKU M20351 — California King Dimensions: 83.5''W x 72''D x 12''H | Weight: 99.0 lbs▶
This option is a California King Mattress.
How does the Ashley Peak 2.0 12-Inch Hybrid M20331 feel compared with the 10-inch version?
Ashley rates both Peak 2.0 models as medium, but the 12-inch M20331 includes gel memory foam for additional contouring around the lumbar area. Its quilt foam, comfort foam and wrapped coils combine surface cushioning with spring-based support. The 10-inch version has a slimmer comfort construction, although the two-inch height difference alone does not establish which will feel softer. When weighing
how mattress cushioning and underlying support affect different sleeping preferences,
consider your usual position and preferred level of sinkage. Medium firmness may suit shoppers seeking a middle ground, but comfort remains individual.
Does the Ashley Peak 2.0 M20331 reduce partner movement, and how supportive are its edges?
The Peak 2.0 M20331 features individually wrapped coils designed to limit motion transfer, along with Ashley Edge reinforcement around the perimeter. The coils respond more independently than a traditional interconnected spring unit, helping reduce how much movement reaches the other side when a partner turns or gets out of bed. Edge reinforcement adds support when sitting or sleeping closer to the mattress sides. Neither feature eliminates all movement or prevents every form of edge compression. Because
partner movement can also travel through an unstable bed frame,
the foundation should be considered alongside the mattress when evaluating shared-bed comfort.
Can the Ashley Peak 2.0 M20331 Queen mattress use an adjustable base, and how should I prepare for delivery?
Yes. Ashley confirms that the Peak 2.0 M20331 is adjustable-base compatible. Its 12-inch profile places the mattress top approximately 24 inches above the floor when used on a support surface 12 inches high, before compression. For shoppers comparing
the positioning flexibility of adjustable beds with conventional stationary frames,
the choice also affects finished bed height and support requirements. Ashley sells the foundation or box spring separately, so verify compatibility and warranty conditions before ordering. The Queen mattress arrives compressed in a box; prepare its support surface in advance and allow up to 48 hours for full expansion after opening.
Considering the Ashley Sleep Peak 2.0 12-Inch Hybrid Queen Mattress M20331? VBU Furniture offers local pickup, Chicago and Illinois delivery, and nationwide shipping across the contiguous 48 states. Contact us about available delivery and setup options.
