Mattresses

Sleep Science Black Diamond 11" Memory Foam Queen Firm

Mattresses / Foam

Black Diamond 11" Memory Foam Queen Firm

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CR Expert Take

How did it perform in our owner surveys and expert lab testing?

Overall Score

The Overall Score for this model incorporates our expert lab test results, as well as ratings for that brand’s reliability and owner satisfaction from our annual product owner survey of members.

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Current Range of Tested Mattresses

Current Range of Tested Mattresses

What goes into the Overall Score?

OWNER SURVEYS

Petite side sleeper

/ 5

Average side sleeper

/ 5

Large/Tall side sleeper

/ 5

Petite back sleeper

/ 5

Average back sleeper

/ 5

Large/Tall back sleeper

/ 5

Durability

/ 5

Stabilization

/ 5

Color

/ 5

Firmness rating

/ 5

About

The Sleep Science Black Diamond 11" Memory Foam Queen Firm is part of the Mattresses test program at Consumer Reports. In our lab tests, Mattresses models like the Black Diamond 11" Memory Foam Queen Firm are rated on multiple criteria, such as those listed below.

Petite side sleeper: Sleepers small in both height and weight.

Average side sleeper: An average of both the petite and large scores that applies to many people.

Large/Tall side sleeper: Side sleepers who are above 6 ft 2 inches tall and/or 220 pounds.

Features & Specs

Features & Specs

Features

Adjustable frame

Yes

Mattress-in-a-box

Yes

Where to buy

Costco.com

Specs

Type

Foam

Dimensions LxWxH

80 x 61 x 11

Latex foam

Yes

Gel-infused foam

No

Resists bounciness

Yes

Eases movement

Yes

Grips

0

Retains warmth

No

Length (in.)

Width (in.)

Height (in.)

Weight (lbs.)

Size tested