532 Heat Tempered 12 3/4 Gauge Posturized coils gives you Head to Toe support with out the movement or roll together. The springs running from head to toe prevents movement feel. Heaviest wire in the industry gives you longer lasting and better support. Extra heavy duty border rod and foam encasement gives you edge to edge sleeping comfort. The double re-enforced edge with a heavy tempered border rod and foam encasement means you can sleep right up to the edge and not feel like you are rolling out. The zoned springs with more real working metal and zoned convoluted foam will prevent the middle of the bed from sagging. All of Serta's padding materials run side to side and head to toe not just in the middle. This means less bunching up of the material in the middle of the bed. Patented layers of tips up convoluted foam lets the mattress breathe for cooler sleep and with the tips up it releaves pressure points. Cooler sleep with pressure relief means deeper more restful sleep.Open spring unit lets the whole matttress breathe. The matttress can air itself out for a cooler, less clammy feel. Serta Perfect Sleeper mattresses have been used in the finest hotels for years. Great springs, edge and padding materials means fewer complaints or problems even from the fussiest of guests. Styles come in three distinct firmness choices. Serta Perfect Sleeper proven support, comfort and a frimness for everyones wants and needs.

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