Restiq™ cooling fibre · Q-Max 0.43
The pillowcase insert that stays 5° cooler. All night.
The water-filled pad that keeps your pillow feeling like the cold side all night. Nothing to plug in, charge, or replace. Chill it in the fridge when you want it icier.
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Pillow surface temperature
Standard cotton pillowcase vs. cooling fibre after 20 minutes of contact. Watch it drop. ↓
Why you sleep hot
Cotton traps your body heat. Restiq™ conducts it away.
Your head releases heat all night. Ordinary pillowcases absorb it and radiate it straight back — which is why you keep flipping the pillow at 2 a.m.
Water-cooling technology has a high heat-transfer coefficient: it pulls heat away from your skin on contact and disperses it, keeping the surface measurably cooler until morning.
Built for hot sleepers
Stop night sweats before they start.
Night sweats happen when heat builds up with nowhere to go. This pad removes the cause — it continuously pulls heat away from your head, so your body never reaches the overheated tipping point that triggers the sweating in the first place. No damp pillow. No 2am sheet-kicking. Just a head that stays comfortably cool from lights-out to alarm.
- Draws heat away before your body overheats
- Keeps a comfortable temperature for hours, not minutes
- Works at room temp — or fridge-chill it for heatwave nights
Zero-fuss ownership
Fill it once. Cool for years.
Setup takes two minutes: fill with tap water, seal the leak-proof valve, and slide it under your pillowcase — it works with the pillow and bedding you already own. There's nothing to plug in, recharge, refill, or replace, and the water inside never loses its cooling power. When it needs a clean, a quick wipe with a damp cloth is all it takes.
- Fills from the tap in under two minutes
- Leak-proof screw valve — no drips, no top-ups
- Wipes clean in seconds, no machine washing needed
"I stopped flipping my pillow"
First thing that actually stays cool past midnight. Ordered two more for my partner.
"Night sweats basically gone"
I wake up far less drenched and the case dries out incredibly fast. Washed it six times, still icy.
"Wish I'd bought the 4-pack"
The fabric genuinely feels cold when you first lie down. Buying the family bundle next.
Questions, answered
The pad is filled with water, which naturally absorbs large amounts of heat before it warms up — so as your head releases heat through the night, the water soaks it up and stays cooler than your skin for hours. There's nothing to plug in, charge, or refill: it recharges itself by releasing that heat back into the room during the day. For extra-cold nights, you can pop it in the fridge before bed.
No — the cooling comes from the water inside, so it never fades, expires, or needs replacing. It works exactly the same on night 500 as night one. To clean it, simply wipe the surface down with a damp cloth and mild soap (no machine washing needed).
Sleep on it for up to 30 nights. If you're not noticeably cooler, email us for a full refund — no return shipping games, no restocking fees.
The 30-Night Cool Sleep Trial
Try it on your own pillow, in your own bedroom, for a full month of nights. If you're not sleeping cooler and waking up drier, we'll refund you in full. The risk is ours — the cold side is yours.