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ZINUS 12 Inch Ultima Memory Foam Mattress King

ZINUS ★ 3.9/5 · ItemOracle Score Premium

$345 USD
Price subject to change
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ZINUS 12 Inch Ultima Memory Foam Mattress [New Version], King, Fiberglass Free, Medium Firm Feel, Breathable Airflow Memory Foam, Certified Safe Foams & Fabric, Mattress in A Box

Memory foam mattress with a medium-firm feel and 7-zone support. Infused with green tea and purified charcoal for freshness. Customer insight: comfortable and well-made, though softness and odor perceptions vary

Highlights

  • medium-firm memory foam
  • 7-zone comfort system
  • certified safe materials

Pros

  • memory foam with zone-based support
  • green tea and charcoal infusion for freshness
  • certified safe materials (CertiPUR-US, OEKO-TEX)
  • fiberglass-free construction

Cons

  • mixed opinions on softness level
  • mixed feedback on odor
  • some report back discomfort

Best For

  • bedtime sleep
  • back-pain relief focus
  • seasonal mattress refresh
  • memory-foam compatibility with existing bases
  • box-in-a-box shipping convenience
  • medium-firm support for all-night comfort

Features

  • Medium-firm memory foam mattress with pressure relief and 7-zone support
  • Contains all-natural green tea and purified charcoal for freshness
  • CertiPUR-US certified foam with OEKO-TEX certified cover, fiberglass-free
  • 10-year limited warranty; mattress expands fully within 24–72 hours

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