Shop for Serta Perfect Sleeper® Cobalt Coast 12" Firm Mattress at Mattress Firm. Our beds have a low price guarantee and 120 Night Sleep Trial.

The all-new, enhanced Serta Perfect Sleeper® mattress provides even better pressure-relieving comfort and support, while maintaining a balanced sleeping ...

Featuring an 825-coil density system, this classic quilted-top mattress offers zoned comfort, pressure relief, and memory foams that contour your body, ...

A firm design caters to the stomach and back sleepers with motion-reducing, curve-hugging support provided by individually wrapped 825 edition custom support ...

Shop for Serta Perfect Sleeper® Cobalt Coast 15" Plush Pillow Top Mattress at Mattress Firm. Our beds have a low price guarantee and 120 Night Sleep Trial.

Features. Plush pillow top 15" mattress, the plushest mattress type, is great for those who like that cloud-like feel. The breathable CoolFeel Fabric cover ...

Serta Perfect Sleeper Cobalt Coast Firm Mattress with Serta Motion Essentials V Adjustable Sleep System · Twin: 465 · Twin XL: 513 · Full: 647 · Queen: 825 · King: ...

Serta Perfect Sleeper Cobalt Coast 12" Firm Tight Top Mattress · Firm · Cooling, Breathable · Firm feeling mattress for those who don't like to sink in too much ...

Select size. Twin. Twin XL. Full. Queen. King. Cal King. 74.5" long x 38" wide x 12" high ; Select level. Standard. Enhanced. Designed for cool, supportive sleep.

Colbalt Coast is an innerspring mattress that has different layers to provide you with the sleep you need. Our 12" Firm model starts off with our CoolFeel ...