HD Super Duty® is one of the innerspring brands manufactured by Paramount Sleep. It features a heavy duty, interconnected 6-turn, 12.5 Gauge Tempered Steel Coils that are laced head to toe (475 queen), latex, memory foam, gel memory and high-density foams. Foams used in its mattresses are CertiPUR-US® Certified and all mattresses are made in the USA. 20 year limited warranty.
There are several softness options available: firm, luxury firm, plush, pillow top and possibly others. Each model will have different height and different selection and thickness of comfort materials to achieve a specific feel, however the support structure remains the same.
Stretch Knit Fabric
High Density Polyurethane Support Foam
Latex Foam - select models
Interconnected Springs laced together head-to-toe
16 Slats Zoned Amish Wood Foundation
of 1 1/2" or greater required