Comforpedic® Phenom™ Collection is the exclusive collection of standard memory foam, not gel memory foam, mattresses manufactured by Simmons®. With a combination of temperature-sensitive NXG® Memory Foam and Advanced NXG® Memory Foam, these mattresses ensure incredible pressure relief and a comfortable sleeping temperature. The Transflexion foam core requires no break-in period that will give you the best night sleep from the first night.
Phenom Collection offers several softness options: firm 9.5", plush 10", luxury plush 11", supreme plush 12".
Sculpted stretch knit cover
Waterfall Triton Foundation
25 Year Limited - first 15 years
of 3/4" or greater
It is the same mattress as Simmons ComforPedic Bloomfield Firm or Astoria Firm. Older version of this product featured NXG Memory Foam and Advanced NXG Memory Foam.