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ManyMonths - Grow-with-Me Merino Wool Shirt

Explorer / Adventurer: 6 - 30 months (68–98 cm) / Foggy black
63,95 EUR
Sale price  63,95 EUR Regular price 
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ManyMonths - Chaussons Booties réversibles évolutifs - laine mérinos ManyMonths

ManyMonths

ManyMonths - Grow-with-Me Merino Wool Shirt

63,95 EUR
Sale price  63,95 EUR Regular price 
Out of stock
ColorFoggy black

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 this sweater changes daily life

  • Your child sweats at school… then catches a cold outside?
  • Clothes become too small in a few months?
  • Are you constantly layering without finding the right balance?
  • Are you looking for a simple, comfortable, and truly effective piece?

This ManyMonths sweater is designed to regulate, simplify… and last for several years.

Perfect for school (and active days)

  • avoids the “wet back” effect
  • naturally regulates temperature
  • remains comfortable even indoors with heating

→ ideal for indoor / outdoor transitions

A versatile everyday piece

  • can be worn directly on the skin
  • or over a wool t-shirt / bodysuit
  • also perfect with wool / silk

→ easily adapts to the seasons

Comfort and freedom of movement

  • flexible and slightly loose fit
  • snug collar and hem to stay in place
  • easy to put on alone

→ a garment the child gladly keeps on

Elbow reinforcements for durability

  • organic cotton / hemp patches
    → protect wear areas

→ perfect for active children

Evolutive and adjustable

  • long sleeves with roll-up cuffs
    → accommodate growth
  • design intended to last several classic sizes

Also ideal for certain practices

  • slightly fitted bottom
    → keeps the lower back well covered

→ particularly practical for children in EC (Elimination Communication)

A high-performance natural material

  • 100% merino wool
  • thermo-regulating
    → keeps warm without overheating
  • breathable
    → wicks away moisture

Comfortable to the touch

  • fine and soft knit
  • does not itch
  • light feel, close to cotton

Unisex and timeless

  • simple design
  • easy to match
  • suitable for all styles

Colors 2026/27: 

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

Foggy Black
Softened black, deep but not harsh. Nuanced charcoal effect, elegant and discreet.

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

Moondust Blue
Greyish blue, soft and balanced. Calm ambiance, easy to wear every day.

Golden Star
Warm and luminous 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 presented show the product worn and used, but some colors are not contractual and come from previous collections.

Photos in Foggy Black and Toasted Coconut correspond to the colors continued in this new collection, for the products concerned.

Sizes:

Explorer / Adventurer: 6 - 30 months (68–98 cm) - no Foggy Black

Conqueror: 3-5 years (98–110 cm)

Innovator: 5–7.5 years (110-128 cm)

Enthusiast: 8–10 years (128–134/140 cm)

Each child grows at their own pace.
I recommend choosing the size according to height in centimeters rather than age.

ManyMonths has 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)

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

How to choose the right children's size for pre-order (delivery in September)

When pre-ordering, you always need to anticipate the child's growth between today and receipt. With ManyMonths, it's even simpler:
their sizes are evolving 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 (because you will skip several classic sizes)
  • always choose at least the next size up
  • sometimes the same size the child would wear today - only if they have just started wearing it
Composition

• Natural merino wool 380 gsm
• Oeko-Tex Standard 100 Class 1 certified
• No Superwash or any other treatment
• Non-mulesing certified wool production (yarn made exclusively for Babyidea)
• Non-toxic dyes suitable for natural fibers and sensitive skin
• Patches made of 55% hemp / 45% organic cotton

Maintenance tips

Garments made of pure, untreated wool do not need to be washed often.

• Regular 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 room temperature water and Ulrich gall soap or real Marseille soap

• Full Wash (infrequent)

- Hand washing is highly recommended despite "Machine washable" label
- Cold or room temperature 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

- Lanolin treatment (every 2-3 washes) or impregnation (every 3-4 washes) from time to time to preserve self-cleaning and thermoregulating properties.
- Follow the instructions on the product sheets for these items.

Manufacturing & Ecology

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.

Frequently Asked Questions

• Are the reinforcements useful?
Yes, they significantly extend the lifespan.

• Is it warm?
It's the same thickness as all ManyMonths clothing. Layering it with a ManyMonths t-shirt as a base layer adds extra warmth.

• Can it be worn directly on the skin?
Yes, the sweater can be worn as a thermoregulating base layer.

• Doesn't merino wool scratch?
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 are crucial steps for the natural softness of any wool.

Yuliya's Tips

• This is typically the perfect second layer. Easy to put on, comfortable to wear, and above all, very versatile. The zippered pockets are a real bonus when kids start wanting to keep their little treasures. A basic that you use without thinking.

• Hand wash, please!

This simple step - and rarely necessary - helps preserve the garment's beautiful appearance and its 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.

Read article

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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