Eve Sleep Light Mattress (Double) vs Koala Calm As Mattress (Double) (2026)

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

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

Eve Sleep Light Mattress (Double)

8.7/10 Great

4.4★ (5,600 owners)

AirFusion foam, pocket springs, 100-night, 10-year, Eve's accessible entry. Best-value Eve mattress.

Full Review

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

At a Glance

	Eve Sleep Light Mattress (Double)	Koala Calm As Mattress (Double)
247Verdict Score	8.7/10	9.0/10
Owner Rating	4.4★ (5,600)	4.5★ (4,800)
Verdict	Great	Excellent
Foam	AirFusion (cooling)	Open-cell
Trial	100 nights	120 nights (longest)
Warranty	10 years	10 years
Brand	Eve Sleep UK	Koala Australian

Quick Verdict

Both are strong choices, but the Koala Calm As Mattress (Double) edges ahead with a 9.0/10 vs 8.7/10. Australian design, open-cell foam, copper-infused, 120-night trial, 10-year, B-Corp certified. That said, the Eve Sleep Light Mattress (Double) is worth considering if AirFusion foam, pocket springs, 100-night, 10-year, Eve's accessible entry. Best-value Eve mattress. Check the current price on Amazon →

Pros & Cons Side by Side

Eve Sleep Light Mattress (Double)

Eve's entry hybrid at the most accessible price in their range
AirFusion foam provides cooling airflow advantage over standard memory foam
Pocket springs contour independently for better motion isolation than open coil
100-night trial maintains Eve's standard risk-free evaluation period
Eve Sleep's established UK customer service and review track record

Less sophisticated than Eve Premium Hybrid — fewer layers, less zoned support
Medium feel only — no firmness customisation at entry tier
Budget Eve lacks the cool-touch cover of the premium tier

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

FAQ

Which is better, Eve Sleep Light or Koala Calm As?

Is the Eve Sleep Light worth the extra cost?

The Koala Calm As Mattress (Double) matches or exceeds it at a potentially lower price point.

Who is the Eve Sleep Light best suited to?

AirFusion foam, pocket springs, 100-night, 10-year, Eve's accessible entry. Best-value Eve mattress.

Who is the Koala Calm As best suited to?

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

What are the main downsides of each?

Eve Sleep Light Mattress (Double): Less sophisticated than Eve Premium Hybrid — fewer layers, less zoned support; Medium feel only — no firmness customisation at entry tier. 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.

Do owner ratings agree with our verdict?

Largely, yes — Eve Sleep Light Mattress (Double) sits at 4.4★ from 5,600 verified Amazon owners, and Koala Calm As Mattress (Double) at 4.5★ from 4,800.

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