Serta Cobalt Calm Extra Firm Tight Top Serta
Serta Cobalt Calm Extra Firm Tight Top Serta
Serta Cobalt Calm Extra Firm Tight Top Serta
Serta Cobalt Calm Extra Firm Tight Top Serta
Serta Cobalt Calm Extra Firm Tight Top Serta
Serta Cobalt Calm Extra Firm Tight Top Serta
Serta Cobalt Calm Extra Firm Tight Top Serta
Serta Cobalt Calm Extra Firm Tight Top Serta
Serta Cobalt Calm Extra Firm Tight Top Serta
Serta Cobalt Calm Extra Firm Tight Top Serta
Serta Cobalt Calm Extra Firm Tight Top Serta
Serta Cobalt Calm Extra Firm Tight Top Serta
Serta Cobalt Calm Extra Firm Tight Top Serta
Serta Cobalt Calm Extra Firm Tight Top Serta
Serta Cobalt Calm Extra Firm Tight Top Serta
Serta Cobalt Calm Extra Firm Tight Top Serta

Serta Cobalt Calm Extra Firm Tight Top

Serta Cobalt Calm Extra Firm Tight Top

SKU:500104181

4.8 Google reviews
Regular price $1,399.00
Sale price $1,399.00 Regular price
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Description

The Cobalt Calm Extra Firm Tight Top is the stomach-sleeper and heavy-sleeper pick in the Cobalt Calm family — 12 inches tall, no give in the top layers, and the same 850-coil 3-zoned support system underneath.

Extra Firm keeps you sleeping on top of the mattress with almost no give. Stomach sleepers benefit because their spine stays flat; heavier sleepers benefit because they don't bottom out into the coils. Anti-microbial cover; adjustable-base friendly.

For customers who ask "the firmer the better" without knowing the trade-offs, come test the Extra Firm at The Mattress Store inside our Northfield showroom — the 3-minute pressure map objectively picks the right feel for your posture and weight.

Questions & Answers

How firm is Extra Firm compared to Firm?

One step more resistant. Where Firm feels supportive, Extra Firm feels almost hard. Best for stomach sleepers, heavier sleepers, or those who like sleeping "on top" of the mattress.

Will Extra Firm feel too hard for a side sleeper?

Often yes — side sleepers need enough softness to let the shoulder and hip sink in, or you get pressure-point pain. Extra Firm is not the right feel for side sleeping. Test in-store to confirm.

What is the coil count on Cobalt Calm?

850 individually-wrapped coils in the Queen size, arranged in three density zones. Individual wrapping isolates motion; three zones target support to where the body needs it.

What sleepers should pick Extra Firm?

Stomach sleepers whose back arches on softer mattresses, heavier sleepers who bottom out on plush feels, and back sleepers with severe lower back pain who need strong support.

Where can I test the Extra Firm feel?

The Mattress Store inside our Northfield showroom keeps the Cobalt Calm lineup on the floor. Come do the 3-minute pressure test to see if Extra Firm objectively matches your body.

Product Details
Will It Fit?

Questions & Answers

How firm is Extra Firm compared to Firm?

One step more resistant. Where Firm feels supportive, Extra Firm feels almost hard. Best for stomach sleepers, heavier sleepers, or those who like sleeping "on top" of the mattress.

Will Extra Firm feel too hard for a side sleeper?

Often yes — side sleepers need enough softness to let the shoulder and hip sink in, or you get pressure-point pain. Extra Firm is not the right feel for side sleeping. Test in-store to confirm.

What is the coil count on Cobalt Calm?

850 individually-wrapped coils in the Queen size, arranged in three density zones. Individual wrapping isolates motion; three zones target support to where the body needs it.

What sleepers should pick Extra Firm?

Stomach sleepers whose back arches on softer mattresses, heavier sleepers who bottom out on plush feels, and back sleepers with severe lower back pain who need strong support.

Where can I test the Extra Firm feel?

The Mattress Store inside our Northfield showroom keeps the Cobalt Calm lineup on the floor. Come do the 3-minute pressure test to see if Extra Firm objectively matches your body.

0% Financing for 60 Months

0% Financing for 60 Months

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Free In-House Design Services

Free In-House Design Services

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Find Your Perfect Sofa - Guaranteed

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Largest Selection of Great Deals

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