Koala Calm As Mattress (Double) vs Saatva Classic Luxury Firm 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.

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

Saatva Classic Luxury Firm Mattress (Double)

9.2/10 Excellent

4.5★ (4,800 owners)

Euro pillow top, dual coil system, organic cotton, white glove delivery, 365-night, lifetime warranty. US hotel luxury.

Full Review

At a Glance

	Koala Calm As Mattress (Double)	Saatva Classic Luxury Firm Mattress (Double)
247Verdict Score	9.0/10	9.2/10
Owner Rating	4.5★ (4,800)	4.5★ (4,800)
Verdict	Excellent	Excellent
Trial	120 nights (longest)	365 nights
Warranty	10 years	Lifetime

Quick Verdict

Both are strong choices, but the Saatva Classic Luxury Firm Mattress (Double) edges ahead with a 9.2/10 vs 9.0/10. Euro pillow top, dual coil system, organic cotton, white glove delivery, 365-night, lifetime warranty. US hotel luxury. That said, the Koala Calm As Mattress (Double) is worth considering if Australian design, open-cell foam, copper-infused, 120-night trial, 10-year, B-Corp certified. 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

Saatva Classic Luxury Firm Mattress (Double)

Dual coil system (steel + individually wrapped pocket springs) is the most supportive construction reviewed
White glove delivery and old mattress removal is included in the price — no logistics effort
Organic cotton cover with Guardin botanical antimicrobial treatment
365-night trial matches Nectar's longest trial period for risk-free long-term evaluation
Lifetime warranty — Saatva covers their mattresses permanently

US brand with UK fulfilment — white glove delivery lead time longer than UK brands
£1,500+ requires conviction about the dual coil construction advantage
Firmness feel preference is personal — luxury firm may feel too firm for some side sleepers

FAQ

Which is better, Koala Calm As or Saatva Classic Luxury Firm?

Is the Koala Calm As worth the extra cost?

The Saatva Classic Luxury Firm Mattress (Double) 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 Saatva Classic Luxury Firm best suited to?

Euro pillow top, dual coil system, organic cotton, white glove delivery, 365-night, lifetime warranty. US hotel luxury.

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. Saatva Classic Luxury Firm Mattress (Double): US brand with UK fulfilment — white glove delivery lead time longer than UK brands; £1,500+ requires conviction about the dual coil construction advantage.

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 Saatva Classic Luxury Firm Mattress (Double) at 4.5★ from 4,800.

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