Never Flip to the Cool Side Again
The pillow you're on now goes warm by 3am. Froste stays cool and dry until morning, because the cooling is woven into the fabric, not a gel pad that quits in ten minutes.
Backed by the 60-Night Cool Sleep Promise
- 01Cool-touch rated Q-max 0.35 (manufacturer's fabric spec — the common cool-touch benchmark is around 0.2)
- 0260-Night Cool Sleep Promise, keep it even if you refund
- 03400 thread count ice-silk knit, fits standard UK pillows
- 04Free UK shipping on every order, no minimum spend
Sound Familiar?
You go to bed fine. Then somewhere around 2 or 3am it starts. You flip the pillow over, hunting for a cooler patch, again. Maybe it's a hot flush that leaves you kicking off the covers and waking up drenched, sheets stuck to your neck, peeling yourself up to change your pyjamas. Maybe you already tried one of those gel cooling pads, and for the first five or ten minutes it felt amazing, then it just stopped. Warmed right up, same as a normal pillow, and you were back to flipping it anyway. You're not imagining it and you're not alone. You're a hot sleeper, and the pillow you're using simply isn't built for what your body does at night.
Meet ThermaWick IceSilk: cooling woven in, not stuck on
Most "cooling" pillow products are a gel pad or liquid insert inside a cover. They feel icy for a few minutes, then the gel reaches your body heat, usually within about ten minutes, and you're back on a warm pillow. ThermaWick IceSilk works differently: the cooling is knitted into the ice-silk viscose and spandex fabric itself. There's no insert to warm through and no charge to run down. On contact it pulls heat away from your skin, and at the same time it wicks moisture off the surface, so you're not lying in a damp patch by 2am. It just keeps doing its job, all night, wash after wash.
| Gel Pad / Insert | Froste | |
|---|---|---|
| Stays cool | – | ✓ |
| Cool for the first 5–10 minutes, then warms up | ✓ | – |
| Holds a fixed charge of cold that runs out | ✓ | – |
| Cooling woven into the fabric, no insert, no recharging | – | ✓ |
| Fully machine washable (cool wash, no fabric softener) | Often wipe-clean or fridge-only | ✓ |
| Soft 400 thread count knit against your face | Can feel plasticky or crinkly | ✓ |
| Wicks moisture as it cools, so you sleep cooler and drier | Just cold, not dry | ✓ |
The Number That Proves It's Not Just Marketing
"Cool-touch" is a claim almost anyone can make. Q-max is the standard lab measure for how much heat a fabric pulls from your skin on first contact — used across the ice-silk and cool-touch bedding category — and the higher the number, the cooler it feels the instant you touch it. Around 0.2 W/cm2 is the commonly cited threshold for a fabric to count as genuinely "cool-touch." Froste is rated at Q-max 0.35 W/cm2 per the manufacturer's fabric specification, comfortably above that threshold. To be straight with you: it's cool, not cold. It's a pillowcase, not a fridge, and it can't stop a hot flush happening, that's biology, not fabric. What it can do is keep the surface you're sleeping on cooler and drier, so the flush or the sweat is a lot more survivable and the wake-up is a lot less miserable.
Q-max cool-touch scale — higher means cooler on first contact
Q-max (Kawabata-style cool-touch measure) figure supplied by the fabric manufacturer, not an independent third-party lab test. It measures contact-cool on first touch, not all-night performance.
Cool for 10 Minutes vs. Cool All Night
A gel pad's charge runs out fast. ThermaWick IceSilk has no charge to lose.
Cool for the first 5-10 minutes, then reaches body heat and stays warm the rest of the night.
Stays cool to the touch all night, nothing to run out.
Why Hot Sleepers Switch
Cool to the touch, all night
No warm patch to hunt for at 3am. The surface stays cool because the cooling is woven into every thread, not stuck on as a pad.
Pulls heat off your skin on contact
The moment your head touches the fabric it starts drawing heat away, so you're not lying on your own body heat all night.
Wicks moisture so you sleep drier
The ice-silk knit moves moisture off your skin, so a sweaty night feels far less damp against your face and neck.
Nothing to recharge, nothing to run out
Gel pads hold a fixed charge of cold that reaches your body heat in about ten minutes. Froste has no charge to lose, so it works the same at 2am as it does at 10pm.
Soft, premium feel against your face
400 thread count ice-silk knit, smooth and cool under your cheek, not plasticky or crinkly like a gel pad shell.
Built for real, regular washing
Hidden zip and reinforced stitching, fully machine washable, so it holds up to the extra laundry hot nights already bring.
One Cool-Touch Weave, Four Colourways
Blue, Grey, Pink and Green, all the same ThermaWick IceSilk. Pick the shade that suits your bedroom, the cooling is identical in every one.
Grey, Pink, Green and Blue, shown in a real bedroom.
Choose Your Colour & Pack
Most people start with 2: one on the bed, one in the wash, so you never get stuck sleeping on a warm, ordinary case on laundry night.
Covered by the 60-Night Cool Sleep Promise
What Hot Sleepers Are Saying
Size & Specs
48 x 74 cm — fits a standard UK pillow
- —ThermaWick IceSilk fabric: ice-silk viscose and spandex knit, cooling woven in, no gel, no insert
- —Cool-touch rated Q-max 0.35 W/cm2 per the manufacturer's fabric spec (the commonly cited cool-touch threshold is around 0.2 W/cm2)
- —400 thread count knit
- —Size: 48 x 74 cm, fits a standard UK pillow
- —Hidden zip closure with reinforced stitching
- —Machine washable: cool wash, no fabric softener, low tumble or air dry
- —Available in Blue, Grey, Pink and Green — choose above
Questions, Answered Honestly
Honestly, no, and we won't pretend it can. A hot flush or night sweat is a biological event; no pillowcase can switch that off. What ThermaWick IceSilk does is keep the surface you're lying on cooler and drier all night, so when a flush or sweat does happen it's far more comfortable, and you're not fighting a hot, damp pillow on top of it.
It feels cool to the touch, consistently, all night. It isn't designed to feel icy or cold like a chilled gel pack, and it won't give you a set number of degrees of cooling. What it gives you is a surface that stays cooler and drier than an ordinary pillowcase, night after night, because the cooling is woven into the fabric rather than a temporary cold charge.
Gel pads and inserts hold a fixed charge of cold. That charge reaches your body heat, typically within about ten minutes, and then you're on a warm pillow again. ThermaWick IceSilk has no charge to run down because the cooling and moisture-wicking are woven into the ice-silk viscose and spandex fabric. There's nothing to recharge and nothing to wear out.
Yes. It's made to 48 x 74 cm, which fits a standard UK pillow. There's one size, no measuring or guessing between options. It comes in four colours, Blue, Grey, Pink and Green, all the same fabric and performance; pick whichever suits your bedroom using the swatches above.
Machine wash on a cool cycle, no fabric softener, then air dry or tumble on low. It's built with a hidden zip and reinforced stitching so it holds up to frequent washing, which matters if you're already doing extra laundry from night sweats.
Sleep on it for 60 nights. If it hasn't kept you cooler and drier than what you were using before, email us one line and we'll refund you in full within 5 working days. You don't post anything back, and you keep the pillowcase.
The 60-Night Cool Sleep Promise
Sleep on it for 60 nights, through the hot nights and the normal ones. If it doesn't keep you cooler and drier than what you were using before, send us one line by email and we'll refund you in full within 5 working days. No forms, no return label, nothing to repackage and post back. You keep the pillowcase either way. We'd rather you actually sleep on it across a full run of real nights before you decide.
Try It Risk-FreeCooler, Drier Sleep. Starting Tonight.
Get My Froste Pillowcase60-Night Cool Sleep Promise included