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ManyMonths - Growable Leggings – Merino Wool

Charming / Explorer: 3-18 months (62-86 cm) / Callisto Moon

45,95 EUR

ManyMonths - Growable Leggings – Merino Wool

ManyMonths

ManyMonths - Growable Leggings – Merino Wool

45,95 EUR

Out of stock

Size

ColorCallisto Moon

This product was available for pre-order, which has now closed.

However, you can activate an email alert to be informed if, after pre-orders are received in September/October, additional stock
becomes available for the item you are interested in.

Why these leggings make a real difference

Are you looking for truly versatile pants?
Are clothes getting too small too quickly?
Do you never know if your child is too hot… or not warm enough?
Do you layer clothes and your child is uncomfortable?
Do you want to reduce washing while maintaining comfort?

These ManyMonths leggings are designed to simplify all of that.

Leggings for real life (all situations)

under a dress or a skirt
under jeans in winter
as a base layer for winter sports
at home or as pajamas

→ one item, a multitude of uses

A simple, comfortable and effective design

fitted but flexible cut
adapts to movement
easy to wear all day long

→ immediate, unrestricted comfort

Evolutive and adjustable

adjustable elastic waist
→ adapts to body shape without constricting
roll-up leg cuffs
→ adjusts length
→ extends wear time
higher cut at the back
→ better coverage when moving

An ideal material for everyday wear

100% merino wool
thermoregulating
→ keeps warm when it's cool
→ stays comfortable when it's milder
breathable
→ wicks away moisture

Comfortable to the touch

fine and soft knit
light feel, often perceived as "almost cotton"
flexible seams

→ suitable for sensitive skin

Easy to live with

easy for children to put on themselves
unisex
integrates into any outfit

Less washing, more simplicity

naturally antibacterial
stays fresh longer

→ reduces washing frequency

2026/27 Colors:

Toasted Coconut
Warm and soft beige, slightly textured. Soothing neutral, easy to pair.

Aurora Red
Rich and luminous red, inspired by the boreal skies. Energizing without being aggressive.

Moondust Blue
Grayish blue, soft and balanced. Calm ambiance, easy to wear daily.

Golden Star
Warm and bright yellow. Brings light and a soft contrast.

Product photos:

As this is a pre-order, photos of the new collection are not yet available.

The visuals shown illustrate the product worn and in use, but some colors are not contractual and are from previous collections.

The photos in Foggy Black and Toasted Coconut correspond to the colors carried over in this new collection, for the products concerned.

Sizes:

Charmer / Explorer: 3-18 months (62-86 cm)

Adventurer: 12–30 months - 80 to 98 cm

Conqueror: 3–4.5/5 years (98–110 cm)

Innovator: 5–7/7.5 years (110-128 cm)

Enthusiast: 8–10 years (128–140 cm

Lionheart: 10–12/13 years (140–158 cm) - no Golden Star, Nebula Pink

Every child grows at their own pace.
I recommend choosing the size based on centimeters rather than age.

ManyMonths have their own size guide

Miracle: Premature (44–50 cm)
Newcomer: 0–3/4 months (50–56/62 cm)
Charmer: 3–6/9 months (62–68/74 cm)
Explorer: 6–12/18 months (68–80/86 cm)
Adventurer: 1–2/2.5 years (80–92/98 cm)
Conqueror: 3–4.5/5 years (98–104/110 cm)
Innovator: 5–7/7.5 years (110–122/128 cm)
Enthusiast: 8–10 years (128–134/140 cm)
Lionheart: 10–12/13 years (140–152/158 cm)

Older children can then choose adult clothing MaM or MaD in size S, then M...

How to choose the right child size for pre-order (delivery in September)

For pre-orders, you always need to anticipate the child's growth between today and reception. With ManyMonths, it's even simpler:
their sizes are evolutive and cover several classic sizes. This allows for a real margin of growth, without the risk of the garment being too small upon receipt.

Simple rule:

never skip a size (as you would skip several classic sizes)
choose at least the next size up
sometimes the same size the child would wear today - only if they have just started wearing it

• Pure natural merino wool 380 g/m²
• Certified Oeko-Tex Standard 100 Class 1
• No Superwash or any other treatment
• Wool from guaranteed non-mulesed production (yarn manufactured exclusively for Babyidea)
• Non-toxic dyes suitable for natural fibers and sensitive skin

Untreated pure wool clothing does not need to be washed often.

• Routine care

- Regular airing outdoors (outside if possible, or in front of an open window)
- Rest after each use: hung on a hanger or drying rack, not left in a ball
- Spot clean stains with ambient water and Ulrich gall soap or real Marseille soap

• Full wash (rare)

- Hand washing highly recommended despite "Machine Washable" label
- Cold or ambient water
- Ulrich Natürlich or Disana liquid wool detergent
- Wash temperature = rinse temperature
- Do not wring, roll in a towel
- Dry flat, away from sun and any heat source

• Maintaining Lanolin

- Treatment (every 2-3 washes) or lanolin impregnation (every 3-4 washes) from time to time to preserve self-cleaning and thermoregulating properties.
- Follow the advice on the product information sheets.

ManyMonths / MaM / MaD clothing is manufactured for the Finnish brand Babyidea by EcoTextile / HempValley (Denmark/China), a workshop specializing in natural fibers and GOTS certified since 2008 – still a rarity in China and elsewhere. Production adheres to ILO social standards (voluntary work, prohibition of child labor, fair wages, safety, and regulated working hours), and each component is OEKO-TEX® Standard 100 Class I certified, making it suitable for contact with babies' skin.

The dyes are produced by certified workshops and tested by independent laboratories. This partner was chosen based on verifiable criteria: technical expertise, traceability, and social guarantees. The goal is transparent and sustainable manufacturing, prioritizing responsible production practices over mere geographical proximity.

• Why do we say it’s adaptable?
Thanks to the adjustable waist and roll-up cuffs that allow the leggings to grow with your child.

• Should these leggings be washed often?
No. Wool is naturally antibacterial and resistant to odors and stains—thanks to lanolin. In most cases, simply airing them out is sufficient.

• Can they be used all year round?
Yes.
Merino wool naturally regulates body temperature and remains comfortable in winter and mid-season, as well as on cool summer days.

• Doesn't merino wool itch?
The merino wool used for baby clothes is very fine and soft. It is suitable even for sensitive skin. Proper care and maintaining the lanolin content remain crucial for the natural softness of any wool.

• I love these leggings for a very simple reason: they literally saved my children from the cold for entire winters, especially at the age when they absolutely want to wear jeans "like their friends" or classic pants... which are often freezing in winter. ManyMonths leggings then become the essential first layer, close to the body: they create thermal comfort that changes everything, without bulk and without restricting movement. They are also a must-have for holidays: when travelling, they save space because they can be used for everything (daily wear, pyjamas, base layer). And for winter sports, they are essential: worn under trousers, they keep you warm longer while managing moisture, which prevents the "damp cold" effect after exercise.

• In very cold weather, you can use them with ManyMonths wool leggings or Cosilana wool-silk leggings.

• Hand wash, please!

This simple gesture - and rarely necessary - helps preserve the garment's good shape and size over time.
Gentle care also helps maintain the product's excellent quality, which can be a real advantage if you ever wish to resell it.

ManyMonths clothes are easily passed down from family to family, and their second-hand value often remains very good.
Well-maintained, used for a long time - then resold, this garment can thus become one of the most economical pieces in your child's wardrobe.

Blog Post

How to choose the right ManyMonths adjustable clothing?

How many ManyMonths clothes do you really need? Discover the essentials, the right quantities, and how to get equipped simply, without overconsuming. How to build a simple, practical, and evolving wardrobe.

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Babyidea / ManyMonths / MaM

The Babyidea story begins in Finland, in the Helsinki region, as a Scandinavian family business guided by a simple idea: to design products that are truly useful in everyday life and consistent with natural parenting.

MaM® Design's beginnings date back to 2001, during Bettina's maternity leave; she was then a university lecturer. At that time, physiological babywearing was virtually unknown in Europe, and suitable clothing was practically nonexistent. The first creations were therefore born from a concrete need: to make life with a baby easier, without compromising on comfort or materials.
ManyMonths clothes that grow with the child - are born.

The brand has grown alongside its children: from a few boxes stacked in a bedroom serving as a makeshift workshop to a 500 m² logistics space near Helsinki, and then to a network of distributors and boutiques across Europe. Despite this evolution, the objective remains unchanged: to develop sustainable, practical, and respectful solutions in partnership with companies that share the same values.

Following this principle, the manufacturing of ManyMonths, MaM, and MaD clothing was not based on geographical criteria but on technical and human factors. The choice fell on EcoTextile / HempValley (Denmark/China), a workshop specializing in natural fibers that has been operating for nearly twenty years with high standards of traceability and social responsibility. GOTS certified since 2008—a still rare certification—the manufacturer also adheres to the ILO's international labor standards. Each component is OEKO-TEX® Standard 100 Class I certified, and the dyes are tested by independent laboratories.

This partnership reflects the brand's philosophy: prioritizing expertise, transparency, and verifiable guarantees over superficial proximity. The objective remains the same as from the outset: to create clothing designed to last, safe for children, and consistent with a more responsible lifestyle, from design in Finland to manufacturing.

The MaM / MaD collection for adults was born in 2017 to meet the growing demand from parents to finally be able to wear the same wool as their children in ManyMonths.

*******

My business began with the purchase of a simple ManyMonths pure wool bodysuit in 2012. That's when I truly discovered what wool could be like in everyday life. Then, as I outfitted my children with the entire collection, another realization dawned: I wanted to talk about it, explain it, and share it with the world!

That's how my shop was born. This brand was the direct origin of my business, and over the years I have also been very actively involved in its development in France, while influencing certain product developments thanks to feedback from the field.

It all started thanks to Bettina. I will always be grateful to her for these clothes that have accompanied my children - and me - throughout all these years.

All Babyidea products

Brand pride: exemplary and GOTS-certified manufacturing workshop

EcoTextile workshop, GOTS certified, still very rare

All MaM® and ManyMonths clothing has been produced for over 25 years in the brand's partner workshop in China, a rare GOTS-certified workshop specializing in eco-friendly clothing. Dedicated, closely monitored production, designed for natural fibers and more responsible fashion.

A structured work pace + a shared "slow fashion" vision

8-hour days, with at least 6 days off per month. Manufacturing is part of a slow fashion approach, supported by their long-standing partner EcoTextile (HempValley / European management): priority is given to natural fibers and more responsible materials, with a focus on durability, for clothes that can truly be worn, passed on, and loved for a long time.

A mature, protected team with real rights

All employees are over 21 years old, have health insurance and the right to paid maternity leave. These are clear social foundations, which are as important as the quality of the knitwear.

Safe and fair working conditions

No ambiguity here: safe working conditions, stable organization, and salary announced at +20% above the local level. Because "ethical" clothing always starts with respect for the people who make it.