THE COLDEST MATTRESS
We believe in building the best mattress, your last mattress, built of the highest quality materials, and designed to keep you cooler at night.
5000+ VERIFIED REVIEWS
Backed by our Cold-Solid Guarantee, across our entire product line. If you don’t like it, we’ll take it back. Shop with unparalleled confidence.
NEXT-GEN COOLING
Not freezing. But cool to the touch. We literally carried it to an island. Our next gen material is here, Coldest Fusion Weave™ is specifically developed for heat dispersion and dissipation. We love the material so much, we used it as much as possible.


MADE FOR BAD BACKS
The RIDGE™ airflow system allows two things to happen. It improves heat dispersion across the entire mattress as well as provides solid
MADE FOR US
We wanted to build something that we would use and love. We’re athletes and high performers looking for a better nights rest.

Coldest Fusion Weave™
Our factories in the USA wanted us to use less of it to help keep the costs down, but we believe in delivering the utmost, best mattress and pillow on the market with the most superior materials possible, just like all our other products. There is no other product on the market that uses our patent/patent pending materials.
110 NIGHT TRIAL
Shop with confidence, over 5000+ Reviews
LIFETIME WARRANTY
Against manufacturer defects.
FREE RETURNS
No questions asked. We got your back, always.
The Coldest Weave Technology – Polyethylene Waterfall zipper cover – Surface Area
Imbued Coldest Memory Foam – 3″, 2.5lb
The Ridge Airflow System – Three Zone Contour Cut – 8″, 1.5lb
A COOLER NIGHTS REST
Cool to the touch. Not freezing cold, don’t worry
Recommended with thin breathable sheets or The Coldest Sheets coming soon.
FIRMNESS RATING
On a scale of 1-10, with 10 being the firmest, The Coldest Mattress rates as a 7. It’s soft yet firm mattress, which makes it most optimal for athletes and high performers.
Meant for bad backs. stomach sleepers, as well as someone looking for a cooler, better nights rest.
FIRE RETARDANT
Passes federal fammability and CPSC standards
THE BATTLE HAS JUST BEGUN…

A WAR WORTH FIGHTING.
Our fight against our one true enemy, hot, started in late 2014. The battle wages every day, and there is no letting up on either side.
We believe in building the best mattress, your last mattress, built of the highest quality materials, and designed to keep you cooler at night.
Our team consists of courageous passionate engineers and creatives, who put their lives every day on the line experimenting with cold materials, founded in Naples, Florida! We believe in building the very coldest products, built of the highest quality materials. We only build products that we would want to use every day.
You can follow our the entire story here. It’s just the beginning.
The birth of a Mattress King
We use our decades of combined experience + advanced manufacturing techniques to get our products exactly where they need to be. We believe in never cutting corners and give the utmost benefit of the doubt to you, our customer. Our products are continuously being re-engineered, and re-imagined over at The City of The Coldest.


The Sunflower Initiative
For every order, we commit a small percentage of the order value and a lot of our time to the Sunflower Initiative. We started this in the first year into the business. It’s a unique initiative where we grow beds of sunflowers in communities and give back to the Earth.