
An empty crib, your baby covered
Your baby wears the sleep sack like a garment: they stay covered even as they move, with no comforter and no bumper.
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A sleeveless bamboo viscose sleep sack that keeps your baby covered all night in an empty crib.
Just one email, on the day it is back.
Not available for delivery to the United States.
A sleep sack instead of a comforter: here is what changes for your baby’s nights.

Your baby wears the sleep sack like a garment: they stay covered even as they move, with no comforter and no bumper.
No comforterSleeveless, it leaves your baby’s arms free. The diagonal zip opens from the shoulder so you can settle them gently.
Diagonal zip


The outer fabric and the lining are bamboo viscose, a supple jersey, with quilted filling in between.
Bamboo viscose
It goes in the washing machine at 40 °C, then air-dries flat or on a drying rack.
Washable at 40 °C
Before
In the middle of the night the comforter has slipped off: your baby is left exposed, and a comforter does not belong in your baby’s crib.
With the sleep sack
The sleep sack stays in place when your baby moves, and the crib stays empty: a firm mattress, a fitted sheet, your baby on their back.
Three steps to bedtime.
Go by your baby’s height, not their age: S up to 70 cm, M 70 to 80 cm, L 80 to 90 cm. The neck opening must not let their head slip through.
Lay your baby on their back in the open sleep sack, slip their arms through the armholes, then zip up to the shoulder.
Touch the back of their neck: warm and dry is fine; damp means too warm. Keep the room between 18 and 20 °C.
Everything to know before you buy, in one place.
Tracked shippingThe rate is shown at checkout.
Machine wash at 40 °C, no bleach. Do not dry clean; iron on low if needed.
Safety warnings
For calm nights with your baby.
Another question?Our team answers by email every day of the week, within 24 hours.
Write to usGo by your baby’s height, never by their age: S up to 70 cm, M 70 to 80 cm, L 80 to 90 cm. The neck opening must stay snug: it must never let your baby’s head slip through. Between two sizes, check the neck opening and armholes first.
No. The sleep sack replaces the comforter and the blanket: your baby’s crib stays empty, with a firm mattress and a fitted sheet. Always lay your baby on their back.
Keep the room between 18 and 20 °C. Under the sleep sack, dress your baby for the room temperature. To tell whether your baby is too warm, touch the back of their neck: if it feels damp, remove one layer of clothing.
Your baby’s arms stay free: they move them as they like, and you adjust what they wear underneath (short or long-sleeved bodysuit) to the room. The diagonal zip opens from the shoulder so you can settle your baby lying on their back.
The outer fabric and the lining are bamboo viscose (95%) and elastane (5%), with 100% polyester quilted filling. It is machine washable at 40 °C, with no bleach and no dry cleaning.
Three solid shades: light gray, sage green and powder pink, each in three sizes, from S to L.
Delivery costs and estimated times for your country are shown at checkout. A tracking number is emailed to you as soon as your order ships.
Another question?Our team answers by email every day of the week, within 24 hours.
Write to us
Sleeveless Bamboo Baby Sleep Sack
$68.48
Just one email, on the day it is back.