99% Super Waveless - 4 Layers with edge and lumbar support + 1/4" Foam Layer

The Progressive Rate Spring provides individualized support based on each sleeper's weight, adjusting to each part of your body independent of your partner. PRS also provides extra back support in the lumbar area.

• Edge Support & Lumbar Support
  
• 9.0" fill depth water mattresses
  
• Adjustable Temperature and Firmness
  
• Ultra Waveless with additional Back Support
  
• Decorative S Class Molded Mattress Top
  
• Premium 24 mil Endura III Vinyl, Purple
  
• 4 Full Size Sheets 1.5 oz. Fiber
  
• 1 layer 1/4" closed cell foam
  
• Progressive Rate System Edge and Back Support
  
• Fill and Air Vent Valves
  
• Black Bottom; "L" Corner Construction
  
• Tethered Wave Control System
  
• Made in U.S.A
  
• PRS: Progressive Rate Spring (US Patent 4,905,331)
  
• Vinyl colors may vary, does not change the wave control system
  
• 20 Year Extended Warranty