Keeps your mattress cool with gel-infused particles.
The Ecosa California King Mattress
The Ecosa California King is the most spacious standard bed size in New Zealand. It’s perfect for couples who love their own space or even cosying up with family.
Got the space? The California King awaits you.
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15 Year Warranty
California King Mattress
The California King is a luxury mattress size at 203 x 203 cm. It’s 20 centimetres wider than a super king size and shaped like a perfect square. It gives more than enough space even for the tallest and biggest sleepers.
California King Mattress Dimensions and Specification
Width | 203 cm |
Length | 203 cm |
Height | 25 cm |
Mattress Construction | |
ECO-TEX Open Cell Foam | |
G-7 Gel Memory Foam | |
Ergonomic Support Foam | |
Waterproof Inner Cover | |
Premium Polyester Removable Cover | |
Key Benefits | |
3-in-1 Adjustable Firmness | |
Waterproof and Dust Mite-Proof | |
Fire-Resistant (Non-chemical) | |
Shipping | Free Shipping |
Returns | Free Returns |
Warranty | 15 Years |
Not the size you're looking for?
There are a total of eight (8) sizes available for you. It gets tricky just looking at the dimensions, so check the image below to see how big or small each mattress size is when in comparison with one another.
There are total of eight (8) sizes available for you. Double check the dropdown list below to see if you got the size right.
The California King that Breathes
The California King allows you to bring more people and animals on board the mattress. Things can get cosy and hot – especially in the summer. Luckily, the Ecosa mattress has three breathable layers tied into a built-in air circulation system.

Breathable comfort layer engineered to optimise the air circulation system.
Keeps your mattress cool with gel-infused particles.
High-density foam uniquely designed for support and breathability.
This mattress is also ideal for...
Having enough personal space for each person!
Starfishing alone (YES!)
Getting cosy with the toddlers on the weekends
Netflix and chillin’ with furry friends'
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FUN FACT: The world’s largest mattress is 60 times the size of a California King.
The biggest mattress in the world measures up to 38x80 ft or 279 square metres.