Our Goal: The Most Comfortable
Super King Mattress in The World.
Our Super King Isn’t Made From a Piece of Heaven, but It Does Feel Like It Is.
The Super King is the King of mattresses. This is because doubles are just right for one to two people. The Spinery’s Fitzwilliam double is slightly smaller than our king and super king mattress, but it delivers the same quality sleep as its larger brothers and sisters.

Our TENCEL® Cover is softer than silk, has more absorbency than cotton, and sleeps cooler than linen.
These premium features, along with thermo-regulation and moisture transport, offer the best night's sleep.
The Supportive Layer provides a strong but resiliant base.
This ensures that the body is fully supported and comfortable.
The Comfort Layer provides softness to the top of the mattress.
This allows the Fitzwilliam to conform to the curves of the body, avoiding any pressure points.
We use wool for its plush, temperature regulating and fire-resistant qualities.
Wool keeps the cover of The Fitzwilliam comfortable and aerated while also enabling the mattress to conform to Irish flammability requirements.
Our Fitzwilliam Mattress uses only quality materials.
Our Super King size mattress is crafted using the highest quality foams and fabrics. Our Super King size mattress foam is made from natural and plant-based materials which means it’s safe for you and the environment.
Our Fitzwilliam Mattress uses only quality materials.
Our Super King size mattress is crafted using the highest quality foams and fabrics. Our Super King size mattress foam is made from natural and plant-based materials which means it’s safe for you and the environment.
See the Fitzwilliam
Super King Mattress
Who Is a Super King Mattress Best For?
Best Mattress for Families With Small Children
A great fit for adults who enjoy a lot of room and families with children and pets.
Those Who Enjoy Lots of Space for Sleep
A Super King offers an ideal amount of space for great sleep
Great for a Master Bedroom
A super king mattress will is the best mattress for any large master bedroom.
Ideal for Large Rooms
The Fitzwilliam Super King mattress is perfect for those who want room for great sleep and are not limited in floor space.
Intelligently Engineered Contouring by Our Team of Doctors Means ‘Just Right’ Support
We use perforations and multiple layers of distinct natural latex foam. This gently supports your body while cradling your weight; this relieves stress and pressure from your back.
Our design also means that you maintain perfect alignment through your night, allowing your body to recover in a tension-free position.
What Is the Dimension of a Super King Bed and Mattress?
Our Super King beds are 180cm wide and 200cm long. If you are familiar with imperial dimensions, this equals 6 feet in width and 6 feet 6 inches in length. Since its the most massive bed and mattress size available, this means an unbeatable amount of space for sleep.
Best Mattress For: If you value a lot of space or your family all like to squeeze in together on some nights, the super king is a perfect choice.