Zinus Ultra Cooling Green Tea Memory Foam Mattress Reviews (2026)

After a few weeks of use, this mattress felt like a medium-firm foam bed that starts cool and settles into a steady, contouring cradle. Our testing showed good pressure relief and very low motion transfer, but edge support and bounce stayed middle-of-the-pack.

• Who It’s For

  • Side sleepers

  • Budget hot sleepers

  • Light-sleeping couples

• Who It’s Not For

  • Heavier stomach sleepers

  • People who want easy repositioning

  • Anyone who sits on the edge often

We slept on the mattress nightly and also used it for reading and laptop work to check lumbar support, hip alignment, and surface stability. Marcus (6'1", 230 lbs) focused on cooling, edge sitting, and whether his hips dropped too far. Mia (5'4", 125 lbs) paid close attention to shoulder and hip pressure during long side-sleeping sessions. We scored support, cooling, pressure relief, motion isolation, responsiveness, edge support, and durability using repeat checks and nightly notes.

The cover felt cool as soon as I lay down, and that delayed the point where heat started to build. The foam had the slow, molding response you expect from memory foam: when I moved from my side to my back, it adjusted a beat later and then held my hips in place. Marcus liked the steadier support through the middle of the bed, though the edge still compressed when he sat down to tie his shoes. Mia saw the biggest benefit in pressure relief—her shoulder felt less pinched on her side, and she did not need extra pillow support at her waist to feel level.

• What we liked

  • Cool surface feel

  • Deep pressure relief

  • Very low motion transfer

  • Quiet, stable surface

• Who it is best for

  • Back/side combo sleepers

  • Hot sleepers who still want foam

  • Guest rooms and apartments

• Where it falls short

  • Slow rebound for active sleepers

  • Edges compress when seated

  • Less ideal for heavier stomach sleepers

• Mattress type: all-foam memory foam mattress.

• Height: 12 inches.

• Firmness: medium-firm.

• Layer build: three foam layers with cooling gel memory foam over Z:Base support foams.

• Cover: cool-to-touch soft-knit cover; fiberglass-free.

• Cooling/support features: triple cooling, 7-zone comfort system.

• Certifications: CertiPUR-US certified foams.

• Country of manufacture: Made in the USA.

• Sizes shown on the current listing: Full, Queen, King.

• Price shown on Zinus.com (sale): $599 (Full), $499 (Queen), $799 (King).

• Shipping (Zinus.com): free shipping; the product page showed delivery in 3–5 business days, and Zinus states it ships to the 48 contiguous states plus D.C.

• Trial period (Zinus.com): 100-night trial for purchases made on Zinus.com.

• Warranty: 10-year limited warranty.

Choose this mattress if you want a memory-foam cradle, a cooler surface feel at the start of the night, and a medium-firm balance that works for many back and side sleepers. If you are lighter and sleep on your side, the pressure relief is the main reason to consider it. If you are heavier or spend most of the night on your stomach, a firmer and more buoyant mattress will usually make more sense. Couples who wake easily should appreciate the low motion transfer, but people who sit on the edge a lot should expect some compression.

For a cooler, less sink-in surface, consider the Cocoon by Sealy Chill, which uses a phase-change cover for temperature control. For easier movement and more bounce in an all-foam design, the Tuft & Needle Original is a more responsive mainstream option.

This is still memory foam: it responds slowly, can feel huggy, and will not give you the lift of coils. Edge support is acceptable for sleeping near the perimeter, but sitting support is only average. If you run extremely hot, you may want a mattress with more aggressive cooling or a hybrid build for more airflow. If you are a heavier stomach sleeper, hip sink can become the deal-breaker.

• Why choose this mattress

  • You want a cool-to-touch start without premium pricing

  • You prefer a deeper, quieter memory-foam contour

  • Motion isolation matters more than bounce

• Alternatives to consider

  • Cocoon by Sealy Chill: phase-change cover for steadier cooling.

  • Tuft & Needle Original: faster rebound and easier turning.

  • Brooklyn Bedding Signature Hybrid: coils add lift and stronger edge structure.

• Give it a full night after unboxing before judging firmness.

• Use a breathable mattress protector; thick waterproof covers can blunt the cool-to-touch feel.

• Pair it with percale or linen sheets to reduce heat trapping.

• If you sleep hot, keep the room a few degrees cooler for the first 30–60 minutes to let the cover do its job.

• Rotate the mattress head-to-foot periodically to help even out wear.

• If you are a side sleeper with shoulder sensitivity, a slightly lower-loft pillow can keep your neck more neutral on a contouring foam bed.

• For edge sitting, keep those moments brief; it is not the strongest perimeter in this category.

• If you feel stuck, avoid overly plush toppers that add even more sink.

• Use a solid, supportive base to keep the foam from feeling softer than intended.