Koala Calm As Mattress (Double) vs Naturalmat Organic Coco Mat Mattress (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

Koala Calm As Mattress (Double)

9.0/10 Excellent

4.5★ (4,800 owners)

Australian design, open-cell foam, copper-infused, 120-night trial, 10-year, B-Corp certified.

Full Review

Naturalmat Organic Coco Mat Mattress

9.0/10 Excellent

4.5★ (1,800 owners)

Organic coconut husk, natural latex, Oeko-Tex certified, UK Devon made, vegan. Natural materials specialist.

Full Review

At a Glance

	Koala Calm As Mattress (Double)	Naturalmat Organic Coco Mat Mattress
247Verdict Score	9.0/10	9.0/10
Owner Rating	4.5★ (4,800)	4.5★ (1,800)
Verdict	Excellent	Excellent

Quick Verdict

This is a genuine draw — both score within 0.15 points of each other. Koala Calm As Mattress (Double): Australian design, open-cell foam, copper-infused, 120-night trial, 10-year, B-Corp certified. Naturalmat Organic Coco Mat Mattress: Organic coconut husk, natural latex, Oeko-Tex certified, UK Devon made, vegan. Natural materials specialist. Choose based on your specific needs. Check the current price on Amazon →

Pros & Cons Side by Side

Koala Calm As Mattress (Double)

120-night trial — the longest single-period trial alongside DreamCloud reviewed
B-Corp certified — Koala's environmental and social standards verified by third-party assessment
Copper-infused open-cell foam provides antimicrobial properties alongside cooling
Australian design heritage applied to UK market — different design philosophy from UK brands
10-year warranty with B-Corp accountability for long-term quality commitment

Less brand recognition in UK vs Emma, Eve or Simba
Copper infusion adds cost without the temperature improvement of true airflow hybrids
Australian brand with UK fulfilment — customer service response from Australian headquarters

Naturalmat Organic Coco Mat Mattress

Organic coconut husk filling is genuinely natural and biodegradable — the most eco-conscious mattress reviewed
Natural latex comfort layer provides responsive bounce without synthetic foam
Oeko-Tex certified — independently verified free from harmful substances
Made in Devon, UK — British natural materials specialist since 2001
Vegan construction — no wool, no animal products throughout

Less pressure relief than memory foam alternatives — coconut husk is firmer by nature
Premium pricing for natural materials that some will find too firm
Coconut husk filling is distinctively noisy when repositioning — some find it disruptive

FAQ

Which is better, Koala Calm As or Naturalmat Organic Coco?

Is the Koala Calm As worth the extra cost?

The Naturalmat Organic Coco Mat Mattress matches or exceeds it at a potentially lower price point.

Who is the Koala Calm As best suited to?

Australian design, open-cell foam, copper-infused, 120-night trial, 10-year, B-Corp certified.

Who is the Naturalmat Organic Coco best suited to?

Organic coconut husk, natural latex, Oeko-Tex certified, UK Devon made, vegan. Natural materials specialist.

What are the main downsides of each?

Koala Calm As Mattress (Double): Less brand recognition in UK vs Emma, Eve or Simba; Copper infusion adds cost without the temperature improvement of true airflow hybrids. Naturalmat Organic Coco Mat Mattress: Less pressure relief than memory foam alternatives — coconut husk is firmer by nature; Premium pricing for natural materials that some will find too firm.

Do owner ratings agree with our verdict?

Largely, yes — Koala Calm As Mattress (Double) sits at 4.5★ from 4,800 verified Amazon owners, and Naturalmat Organic Coco Mat Mattress at 4.5★ from 1,800.

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