Born from NASA technology and perfected for sleep.
Free delivery available from 7 weeks.
The ActiGel® Tundra 5000 mattress combines thousands of supportive springs with TheraPur's coolest ever graphite-infused ActiCool®+ cover, keeping warm sleepers fresh and comfortable.
Exclusive to TheraPur, ActiCool®+ offers exceptional heat control and moisture wicking, helping you fall asleep faster and stay asleep longer.
With smart temperature regulation, 5cm of zoned ActiGel® foam supports without overheating, proven to be more effective at controlling heat than standard memory foam.
The Tundra 5000's firm comfort grade is perfect for front and back sleepers, or those with enhanced support needs.
All-new ActiCool®+ is infused with cooling graphite to eliminate overheating once and for all. It’s right at the top of the mattress, where you’ll feel it most, and totally free from chemicals for a fresh, natural night’s sleep.
Everybody needs their body temperature to drop by 1-2°C in order to drift off to sleep. That’s where TheraPur comes in. Our cooling mattresses make finding your perfect sleep temperature totally effortless.