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Balanced ComfortCool Sleep

Zotto Mattress Review

A soft top with real support and a genuine talent for staying cool — Zotto's mattress-in-a-box splits the difference for side and back sleepers.

Expert Rating 9/10
FirmnessMedium · 5/10
Sinkage2 Inches
Best ForSide & Back Sleepers
4 min read
Make sure to check out our Zotto Mattress Review to see if it is right for you.

Don't let the soft top fool you — this bed offers strong support.

Our research
Editorial disclosure: Independent reviews. Commissions may be earned through links.
The Verdict

A Well-Balanced Bed That Sleeps Cool

Zotto arrived on Kickstarter in 2015 with a simple pitch: a mattress-in-a-box that splits the difference between soft and firm. Two years in, our research suggests they've largely delivered on it.

At 5 out of 10 on the firmness scale, the Zotto leans soft without disappearing under you. Customers describe the top layer snuggling up to the body for a comfortable sleep, and report waking without aches or pains — a sign the support layers beneath are doing real work.

That softness comes with real sinkage: around 2 inches for an average sleeper. It's the trade we'd expect from a plush top, and it isn't a problem for back or side sleepers. Stomach sleepers should look elsewhere; sinking too far into a soft top can cause discomfort in that position.

One standout is temperature. The top layer's CopperPhase Gel memory foam is built specifically to pull heat and moisture away from the sleeper, and customers rave that it works even in a warm room. Off-gassing was minimal on unboxing, too.

The soft top also does an admirable job killing motion transfer, which makes the Zotto a strong pick for couples — getting up in the night shouldn't disturb a partner. Backed by a 100-night trial, free shipping and a 10-year warranty, it's an easy bed to recommend for side and back sleepers who want cooling comfort without sacrificing support.

Pros

Why We Love It

  • Soft, contouring top layer paired with a genuinely supportive foam base
  • CopperPhase Gel foam keeps the mattress from sleeping hot
  • Excellent motion isolation, ideal for couples
  • 100-night trial, free shipping and a 10-year warranty
Cons

Considerations

  • About 2 inches of sinkage, which stomach sleepers may find uncomfortable

What Our Research Found

The three lower layers work as a support system beneath a two-inch CopperPhase Gel foam top: a CoolFlow transition layer, an Energex layer for bounce, and a four-inch high-density base for structure and firmness.

Reports point to strong heat management — the gel-infused top is designed to draw heat and moisture away from the sleeper, and it appears to hold up even in warmer rooms. Off-gassing on unboxing was reported as minimal.

A Note on Our Sourcing

This section draws on customer reports and product research rather than an in-house unboxing test — we found little independent smell or heat data beyond what buyers have shared.

We Recommend This To Readers Who:

  • Want a soft top with real support

    The medium 5/10 feel and supportive base combine plush comfort with pain-free mornings, per customer reports.

  • Sleep hot

    CopperPhase Gel foam is built to pull heat and moisture away from the body.

  • Share a bed

    Strong motion isolation means getting up at night shouldn't wake a partner.

Craftsmanship

Inside the Zotto's Four-Layer Build

A thin cover sits over four purpose-built foam layers designed to balance softness with support.

1 MATTRESS COVER — A super thin blend of polyester and rayon, soft and light, almost acting as a sheet
2 FIRST LAYER — 2 inches of memory foam infused with CopperPhase Gel for a cool, comfortable top
3 SECOND LAYER — 2 inches of CoolFlow memory foam that pulls heat away and starts the transition to firmer support
4 THIRD LAYER — 2 inches of Energex foam providing bounce and support for the top two layers
5 BOTTOM LAYER — 4 inches of high-density foam giving the sleeper the needed support and firmness
2

First Layer

2 inches of memory foam infused with CopperPhase Gel for a cool, comfortable top

3

Second Layer

2 inches of CoolFlow memory foam that pulls heat away and starts the transition to firmer support

5

Bottom Layer

4 inches of high-density foam giving the sleeper the needed support and firmness

Zotto Mattress Cost

Zotto is one of the more affordable mattress-in-a-box options, with prices starting well under $600 and a queen landing at $875.

OptionPrice

Good to Know

Starting At $550
Trial 100 Nights
Warranty 10 Years
Shipping Free
Discount $50 Off Your First Mattress
The Bottom Line Conclusion:

A Well-Balanced, Cool-Sleeping Mattress-in-a-Box

Zotto delivers a genuinely well-balanced bed for side and back sleepers, backed by strong cooling performance and a risk-free 100-night trial.

9 Out of 10
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