Size: Queen  • Comfort level: Firm
Construction: All-foam mattress without innerspring coils
Surface: Cooling quilted poly-blend cover
Comfort layer: Body-contouring memory foam
Support layers: Comfort support foam and endurance support foam
Stability: Shift-resistant lower cover
Certification: CertiPUR-US® certified foams
Compatibility: Adjustable-base compatible
Weight: 83 lbs. (Queen)
Foundation/box spring: Sold separately
Setup: Ships compressed in a box; allow up to 72 hours for expansion
Brand: Nectar  • Model: M12531
Why choose the Nectar Classic Memory Foam Queen Mattress M12531?
The Nectar Classic M12531 offers firm, body-contouring comfort through an all-foam construction rather than a spring-based support system. Its memory foam cushions the sleeping surface, while comfort support foam and endurance support foam provide underlying resistance and stability. This layered design helps absorb movement between sleeping partners without the bounce of interconnected springs. A cooling quilted cover is designed to manage surface warmth, and the shift-resistant lower cover helps maintain the mattress's position on its foundation. At 12 inches thick, Classic sits lower than the thicker Nectar Premier and Luxe models, making it useful for shoppers who prefer a more moderate finished bed height. Adjustable-base compatibility adds flexibility when choosing a frame. Twin, Twin XL, Full, King and California King sizes are also offered; confirm the size-specific SKU before ordering.
Specificationsâ–¶
Specifications Details
Brand Name
Nectar
Material
Fabric
Lifestyle
Traditional
Bed Size
Queen
Pattern
Solid
Mattress Feature
Cooling, Memory Foam
Assembly
Assembly Not Required
Product Detailsâ–¶
Comfort level: firm
Cooling quilted poly-blend cover
Therapeutic memory foam
Comfort support foam
Endurance support foam
Shift-resistant lower comfort cover
Adjustable base compatible
CertiPUR-US® certified foams
Note: Purchasing mattress and foundation from two different brands may void warranty; see warranty for details
Foundation/box spring sold separately
Mattress ships in a box; please allow 72 hours for your mattress to fully expand after opening
State recycling fee may apply
Availabilityâ–¶
Available Configurations
SKU M12531 — Queen Dimensions: 80''W x 60''D x 12''H | Weight: 78.0 lbs▶
This option is a Queen Mattress.
SKU M12511 — Twin Dimensions: 75''W x 38''D x 12''H | Weight: 55.0 lbs▶
This option is a Twin Mattress.
SKU M12571 — Twin XL Dimensions: 80''W x 38''D x 12''H | Weight: 57.0 lbs▶
This option is a Twin XL Mattress.
SKU M12521 — Full Dimensions: 74.5''W x 53''D x 12''H | Weight: 69.0 lbs▶
This option is a Full Mattress.
SKU M12541 — King Dimensions: 80''W x 76''D x 12''H | Weight: 94.0 lbs▶
This option is a King Mattress.
SKU M12551 — California King Dimensions: 84''W x 72''D x 12''H | Weight: 93.0 lbs▶
This option is a California King Mattress.
How firm is the Nectar Classic Memory Foam Queen M12531, and will it feel like a traditional spring mattress?
Nectar classifies the Classic M12531 as firm, with contouring memory foam above comfort and endurance support foams. The upper foam conforms to the body, while the underlying layers provide resistance to deeper compression. Unlike a hybrid, this mattress contains no coils, so shoppers should expect a foam-based response rather than traditional spring bounce. Because surface cushioning and underlying firmness influence how a mattress feels, the presence of memory foam does not necessarily mean a plush sleeping surface. Actual firmness perception varies with body weight, sleeping position and personal preference.
Does the Nectar Classic M12531 reduce partner movement, and how effective is its cooling cover?
The Nectar Classic M12531 uses an all-foam construction designed to absorb some partner movement, together with a cooling quilted poly-blend cover. Its memory foam cushions and contours without an interconnected spring system, which can help reduce movement reaching the other side of the Queen mattress. The cover is designed to help manage surface warmth, but it cannot guarantee cool sleep. Since memory foam and latex differ in heat retention, responsiveness and airflow, shoppers sensitive to warmth should consider the complete mattress design alongside their bedding. Nectar lists memory foam, not latex, in this model. Neither cooling performance nor complete motion isolation is guaranteed.
Can the 12-inch Nectar Classic M12531 use an adjustable base, and how high will the finished Queen bed be?
Yes. The Nectar Classic M12531 is adjustable-base compatible. Its 12-inch profile produces an approximate mattress-top height of 24 inches when placed on a support surface 12 inches above the floor, before compression. Choosing between an adjustable foundation and a stationary bed affects positioning flexibility, support requirements and overall sleeping height. Queen fitted sheets should accommodate the mattress's 12-inch thickness plus any protector. A foundation or box spring is sold separately; confirm the selected support meets applicable manufacturer requirements. The 83-pound Queen mattress arrives compressed in a box and should be allowed up to 72 hours to expand after opening.
Shopping for the Nectar Classic Memory Foam Queen Mattress M12531 in Chicago or Illinois? VBU Furniture offers convenient Chicagoland pickup, delivery throughout Chicago and Illinois, and nationwide shipping across the contiguous 48 states.
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