The Tranquility’s 1130 coil Combi-Zone® Comfort Core™ spring system with Quantum® Edge Steel Perimeter makes Tranquility one of the best values in the industry.



Practically GreenThe Tranquility is a premium mattress handcrafted with a superior, heavy-density foam over a firm, Quantum Edge, Marshal Type coil spring system.

This comfortable mattress appeals to people who prefer a more flexible feel and want to minimize motion transfer when more than one person is sleeping in the bed.

Build Specifications


  • SomniGel Azure1130 coil Combi-Zone® Comfort Core ™ Spring System with Quantum® Edge Steel Perimeter
  • With firmer coils in the center third of its three zones, Combi-Zone provides extra back support that aids in spinal alignment. The unique zoning configuration of the fabric encased coils means you get greater density combined with ideal firmness, comfort, and spring action.
  • Quantum® Edge Steel Perimeter features revolutionary, narrow-diameter Quantum coils that form a perimeter around the mattress, providing comfortable support all the way to the edge of the bed.

Comfort Layers

Upholstered with:

  • ¼ inch 1.8-pound density foam center 1/3  pad
  • 1 ½ inches of 1.8-pound density convoluted foam
  • 1 inch of 1.5-pound density gel infused foam and a cotton/rayon blend quilted to a luxurious Bamboo fabric cover


  • 9” PowerStack – our premium foundation (5 ½” PowerStack optional)


  • Supportive innerspring, keeps your body properly aligned
  • Relieves pressure points
  • Firm seating edge
  • Eliminates motion transfer
  • Exclusive build style prevents body impressions
  • Gel infused foam in quilt stays cooler than standard foam

Full 10-year warranty

Additional information


Full Mattress Only, Full Set, King Mattress Only, King Set, Queen Mattress Only, Queen Set, Twin Mattress Only, Twin Set


10 Year

Quality Level


Sleep Position

Back, Combo, Side, Stomach

Mattress Type

Adjustable Base Support, Gel Memory, Innerspring

Comfort Level

Cushion Firm

Coil Count

1130, yes

Coil Type

Combi-Zone, Encased, Pocketed, Quantum Edge


No Foundation, With Foundation

Foundation Height

5.5”, 9″


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