Zero Deflection Springs

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What is a PostureTech ZD spring system?

Sealy’s Zero Deflection (ZD) spring system uses an ‘offset’ spring design with unique independent hinge action, constructed to take both weight and movement into consideration.

How can this spring system benefit you?

The Zero Deflection system profiles the sleeper’s body and provides a firm sleeping surface that remains consistent across the entire sleep system- ideal for people of above average stature. 

Zero Deflection Springs

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Zero deflection springs