Serta Perfect Sleeper Cobalt Calm XFirm Mattress

An extra-firm, supportive mattress with a 12” profile, essential cooling features, and targeted support. Ideal for back or stpmach sleep positions. Featuring an 825-coil density system provides contouring, cradling support that minimizes motion transfer, plus an extra-deep foam rail helps reduce edge roll-off and extends the sleep surface

Feel

Extra Firm

Support

3 zones of cushioning, cradling support with an 850-coil density system

Pressure Relief

Contouring memory foams help relieve aches and pains

Cooling

Topped with a cool-to-the-touch cover made with CoolFeel fabric

Motion Control

Designed to minimize the impact of your partner’s movement

Made for

Best for stomach and back sleepers

Materials & Construction

Our celebrated mattress, the Serta Perfect Sleeper, is new and improved with a focus on what matters most: consistent, restful sleep for every type of sleeper—back, side, stomach, or snuggled up to someone else. With zoned support, contouring memory foams, and a cooling cover for comfortable sleep all night long, this mattress is your perfect sleep solution every night.

PillowSoft® Aire Foam provides enhanced cushioning for exceptional comfort and promotes airflow through its unique, gently rippling design

Gel foam lumbar support band provides support for the lower back and hips

825-coil density system provides contouring, cradling support that minimizes motion transfer, plus an extra-deep foam rail helps reduce edge roll-off and extends the sleep surface

100% USA Assembled

Responsibly crafted

CertiPUR-US® Certified means our foam was tested for and is free from harmful chemicals and gasses

Care

To protect your mattress from stains and spills, we highly recommend using a mattress protector; This will also help with the overall health and lifespan of your mattress.

We do not recommend applying liquids to the product; Applying liquids may stain the fabric and make the soiled area worse; Moisture or chemicals applied directly to the mattress can cause premature breakdown of the foam and damage the product.

We suggest applying baking soda to the soiled area, let stand about 15 minutes, vacuum, and repeat as needed; Air the product out as much as possible.

Compatibility

Compatible with most frames, including: traditional frames, box springs, platform frames, slatted frames, bunky boards, and adjustable frames.