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Sleepeers Air · The original
Sleepeers Air thermoregulating sleep socks
They warm you up at bedtime and release excess heat during the night.
Sleepeers Air isn’t on sale yet: we’ll launch it on Kickstarter. Sign up and we’ll tell you on day one.
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- Thermoregulating PCM yarn in the sole, toe and heel
- Bamboo mesh instep that lets heat escape
- No elastic at the ankle: no squeezing, no marks
- Seamless knit, smooth sole inside
- No wires or batteries: the regulation lasts wash after wash
Want extra warmth and a fluffy feel? Discover Sleepeers Max
Description
Sleepeers Air socks are designed for one thing only: sleep. They warm your feet in your first minutes in bed and, when your foot gets too warm, absorb and release the excess heat. So your feet don’t end up sweaty, and you don’t feel like pulling your socks off in the middle of the night.
Size guide
| Size | Shoe size (EU) | Foot length |
|---|---|---|
| S | 35–38 | 22–24 cm |
| M | 39–42 | 24.5–26.5 cm |
| L | 43–46 | 27–29 cm |
Between two sizes? Choose the larger one: the sock should fit loosely.
Composition and care
- Composition: 65 % bamboo viscose / 20 % PCM yarn / 12 % polyamide / 3 % elastane
- Machine wash at 30 °C, inside out
- No fabric softener, bleach or tumble dryer
- Line dry in the shade
- Do not iron
FAQ
Yes. The PCM yarn contains wax microcapsules that absorb heat when your foot warms up and release it when it cools down. It’s a physical process, like ice melting and freezing again.
No. The capsules are microscopic and sit inside the yarn. The sock is knitted seamlessly and the sole is smooth inside.
At first, they warm your feet just as quickly. The difference comes hours later: wool keeps building up heat, while Sleepeers releases it.
Yes, that’s what they’re designed for. If your feet are cold because of a circulation problem, please also check with your doctor.
They work for you too. The mesh instep and the PCM are designed precisely to prevent overheating.