None
Full-length clasp at the top
Got a rail? Frame clamp.
Divan or footboard? Slip-under base.

For beds with an exposed rail at the foot end. Grips frames 10–65 mm.
Slides beneath the mattress and holds in place under its own load.
The same divan base, with an adjustable lip that slips into the gap between mattress and footboard.
Not sure which fits your bed? Take the 20-second fit check when you join the waitlist.
AC / Fans

Whole-room cooling
Under-cover airflow

Under the duvet
Target waitlist
joined already
London
I've tried cooling mattress pads, fans, everything. Nothing works because the heat is trapped under the duvet. This is the first product I know of that actually understands the problem.
Atlanta
My boyfriend runs cold; I run hot. We've had the same argument about the thermostat for years. I need this to exist.
USA
As someone who trains most days, sleep quality is non-negotiable. If overheating is destroying my recovery, I want this fixed at the source
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1,217 / 5,000 have already joined · every signup is a vote to enter production
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Question 1 of 3
Hot Sleeper
Menopausal
Hot Couple
Fitness Enthusiast
Other
Question 2 of 3
Every Night
Several times a week
Occasionally
Rarely
Question 3 of 3
Under $100
$100 – $149
$150 - $199
$200 – $249
$250+
0 of 3 answered