Cosilana

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Cosilana - Long-sleeved baby bodysuit, wool-silk

Chocolat

47,90 EUR

Cosilana - Long-sleeved baby bodysuit, wool-silk

Cosilana

Cosilana - Long-sleeved baby bodysuit, wool-silk

47,90 EUR

1 left

ColorChocolat

Fonctionnement de la précommande :

○ FIN DE PRÉCOMMANDE : SAMEDI 22 août 2026 à minuit.
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○ La réception des produits en boutique est estimée FIN SEPTEMBRE - COURANT OCTOBRE.
○ Important : Le délai de réception indiqué est donné à titre indicatif. Il peut arriver que le fabricant ne dispose pas de l'ensemble des articles commandés en stock et lance une fabrication complémentaire. Dans ce cas, le délai peut être prolongé d'environ 3 à 4 semaines. Afin de limiter l'impact environnemental et les frais logistiques, les commandes ne seront pas expédiées en plusieurs envois, même si leur montant permettrait de bénéficier de plusieurs expéditions offertes. La commande est envoyée en une seule fois, dès réception de l'ensemble des articles.
○ L’expédition chez vous intervient sous 3 jours ouvrés après leur arrivée.
○ Plus de détails : lire ici.

You are looking for:

A natural thermoregulating garment, but softer than pure wool, if your child still finds it slightly irritating?
A bodysuit for very sensitive or reactive skin, made with breathable and comfortable natural fibers?
A thin, discreet, thermoregulating second skin, to wear all year round?
A garment that helps manage a child's perspiration, especially when moving indoors/outdoors, to prevent the feeling of cold on a damp back?

Description

Long-sleeved bodysuit in organic merino wool and silk, from the German eco-friendly brand Cosilana.

An extremely soft, thin, and warm bodysuit designed to be worn directly against the skin. Ideal as thermal underwear in winter, as pajamas, or as a standalone garment the rest of the year.

A second natural skin : thin, enveloping, without compression.
Natural thermoregulation : helps keep skin dry and comfortable.
American neckline for easy dressing.
Versatile : thermal underwear, pyjamas or bodysuit worn alone.

This is the garment to have as an essential first layer , the one that directly influences the overall thermoregulation of the body.

This precious layer, made of untreated natural fibers, keeps the skin dry. The air thus dried can then be warmed by our own body heat and retained by the pure wool intermediate layer worn over it.

The first layer is the most important. It is in direct contact with the skin and governs the body's entire thermoregulation. It must be natural!

Its role is not to "heat up", but to:

absorb moisture (perspiration),
keep the skin dry.
create a thin layer of dry air around the body.

Untreated wool (or wool-silk) is particularly effective for this function, unlike synthetic fibers which retain moisture against the skin.

The wool and silk blend combines:

the thermoregulatory and breathable properties of wool,
Silk is an exceptionally smooth and fine natural fiber, renowned for its softness and comfort on the skin.
It creates a comforting, enveloping sensation, like a textile cocoon, respectful and soothing, protecting the skin from friction and external aggressors. On the skin, silk replicates this cocooning feeling: an incredibly smooth, enveloping, and soothing touch that respects the skin and creates a soft barrier between the body and the environment. Combined with merino wool, it transforms this garment into a true second skin , protective, breathable, and naturally comfortable.

Colors:

Off-white, grey, navy blue, green, orange, purple, pink

Available sizes:

62/68cm, 74/80cm, 86/92cm, 98/104cm

Understanding Cosilana sizes

At Cosilana, each size is designed to last until the next size. For example, a size 86/92 is designed to cover the entire growth period until the next size , approximately from 86 to 98 cm (and often beyond depending on the child's build).

Therefore, this is not a garment strictly limited to 86-92 cm, but an evolving size designed to accompany growth over an extended period.

Merino wool 70% / silk 30%

Cosilana clothing is made exclusively from high-quality natural fibers. The brand uses merino wool, fine silk, and organic cotton, as well as blends of these natural fibers, selected for their softness, breathability, and comfort against the skin.

These materials come from controlled organic farming and livestock breeding, without chemical pesticides or synthetic additives.

Untreated wool/silk garments do not need to be washed after each use.

• Routine maintenance

Regular ventilation in the open air (outdoors if possible, or in front of an open window)
Rest after each use: hang on a hanger or drying rack and do not leave crumpled up)
Spot clean stains under running water with Ulrich gall soap or genuine Marseille soap

• Complete wash (when the time comes)

Hand wash only.
Cold or room temperature water
Liquid laundry detergent for wool Ulrich Natürlich
Washing temperature = rinsing temperature
No spin cycle
Dry flat, away from sunlight and any heat source

• Lanolin Maintenance

Use a treatment (every 2-3 washes) occasionally to maintain self-cleaning and thermoregulating properties. Follow the instructions on the product information sheets.

Cosilana is proud to be one of the few remaining brands that have not used any treatment for over 50 years, to preserve the properties intact!

Cosilana uses exclusively natural fibers from controlled organic farming and livestock operations, without pesticides or chemical additives. The wool comes primarily from selected farms in Patagonia and meets the requirements of organic agriculture.

Production takes place in Hechingen (Germany), with regional manufacturing allowing continuous traceability and reduced transport.

The yarns used are certified according to the Global Organic Textile Standard (GOTS), which audits the entire textile chain—raw materials, processing, environmental and social aspects—through independent organizations. The brand also stems from the IVN initiative, a long-established natural textile organization.

This approach is based on a constant principle: respect for the environment and for people, with clothing designed to last while preserving the natural properties of the fiber.

• Is it hot?
Yes, but in a thermoregulated way. The wool keeps the skin dry and creates an insulating layer of air warmed by body heat. The bodysuit is thin, but functions as a basic thermal layer.

• Is it worn alone or under another garment?
Both are possible:
- as a bodysuit on its own, all year round, or as pyjamas
- as a first layer under another top or a jumpsuit/sleeping bag.

• Can it be worn for a long time without washing, like pure wool?
No, a little less time, but it's very subjective. One thing is certain: there's no need to wash this garment after every use. Even a urine leak won't stay with simple airing in fresh air.
Wool is naturally breathable and limits odors, which allows for less frequent washing.
The presence of silk does not negate this property; it is also a thermoregulating material, but it is recommended to air the garment between wears to prolong its freshness and lifespan.

• Does wool make you itch?
The combination of fine merino wool and organic silk is renowned for its softness. The silk provides a smooth feel directly against the skin, making this garment generally very well tolerated by sensitive skin.
However, since skin sensitivity is individual, perception may vary from person to person.

• Is it suitable for sensitive skin (eczema, reactive skin)?
Absolutely!
Fine wool and silk are breathable natural fibers, often appreciated by sensitive skin, with improvements noted by my clients.
This product is not a medical device, but it is designed to be worn directly on the skin with maximum comfort.

• Can it be machine washed?
No Cosilana wool-silk garment is recommended for machine washing, even on a cold cycle and at 400 rpm (trust my years of experience with this fabric). Even if shrinkage or thickening isn't necessarily and always visible after the first wash, it will gradually appear with each machine wash, accompanied by small holes.
A quick hand wash is simple and accessible to everyone, and helps to preserve this garment so that it continues to take care of your skin and its natural properties in the long term.

• Choose the size based on the child's height in centimeters, not their age.
Each size is designed to be worn until the child reaches the next size.
For example :
A size 62/68 can be worn as long as the child measures between 62 cm and approximately 74 cm (the next size up).
and not only between 62 cm and 68 cm.

• It is not necessary to wash this garment after each use. Wool-silk garments can be worn several times with simple airing between wears.
Small stains can be cleaned locally by hand, without washing the entire garment.
Even in the case of small urine leaks, a complete wash is not always necessary: airing is often enough to refresh the fiber thanks to the naturally breathable properties of wool.

• This product is one of my absolute favorites and I highly recommend it! It's an essential first layer that will influence all the other layers of clothing.

• I highly recommend hand washing to preserve the size and structure of the garment.
Ulrich Natürlich products (laundry detergent, treatment, stain-removing soap) are highly recommended.

Related products

For over half a century, Cosilana has followed a simple principle: not to correct the fiber, but to preserve it. At a time when industrial treatments have become widespread to adapt textiles to modern habits, the brand has chosen to continue manufacturing differently, preserving materials as they naturally function.

Based in Baden-Württemberg, Germany, production remains closely tied to regional textile expertise. Organic fibers are processed using controlled methods to preserve their original qualities, while GOTS certification regulates both the environment and manufacturing conditions.

Cosilana hasn't evolved towards faster fashion, but towards more sustainable consistency: producing fewer technical effects and greater stability over time. The garment isn't designed to follow a single season, but to accompany its daily wear for a long time.

All Cosilana products