Moomin™ Organic Free To Explore Zip-Up Romper
Complete the look
0-6 Months
3-6 Months
0-6 Months
0-6 Months
One Size
0-6 Months
0-6 Months
0-6 Months
One Size
One Size
0-6 Months
0-6 Months
0-6 Months
6-12 Months
0-3 Months
6-12 Months
One Size
Spend $100+ to save 10%
Description
Little adventurers will love this adorable zip-up romper featuring the beloved Moomins Free To Explore design. It's the perfect all-in-one for curious little ones ready to take on the world.
Designed with parents in mind, this super soft organic romper features a contrasting two-way zip that makes dressing and diaper changes a breeze, with a small zip pocket at the neck for extra comfort. Foldable cuffs on the sleeves and feet let you tuck little hands and toes in to keep them warm and cozy.
- Printed all over with the Moomins Free To Explore design
- Two-way zip for easy dressing and diaper changes
- Zip pocket at the neck for comfort against delicate skin
- Foldable cuffs on sleeves and feet for extra warmth
Materials & Care
Fabric: 75% cotton / 20% polyester / 5% elastane. Pre-washed for minimal shrinkage, maintains stretch after 30+ washes.
Care: Machine wash at 30°C. Tumble dry low.
Fit & Sizing
True to size with a comfortable stretch. Designed with extra room in the seat to fit over nappies. Soft elastic waistband for easy on and off.
Between sizes? Size down for a snug fit, size up for longer wear. Cloth nappy users - we recommend sizing up.
Model is wearing size 6-12 Months.
Shipping & Returns
Free shipping on orders over $50. We aim to dispatch all orders within 1-2 business days.
If you're not completely happy with your purchase, you can return it within 30 days for a full refund. Please see our returns page for full details.
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First available size of each item
Size Guide
Measurements shown in cm / inches. If you're between sizes, we recommend sizing up.
| Age | Waist (cm / in) | Total Length (cm / in) |
|---|---|---|
| 0–6 Months | 37 / 14.6 | 35 / 13.8 |
| 6–12 Months | 37 / 14.6 | 40 / 15.7 |
| 1–2 Years | 39 / 15.4 | 44 / 17.3 |
| 2–3 Years | 41 / 16.1 | 48 / 18.9 |
| 3–4 Years | 41 / 16.1 | 54 / 21.3 |
| 4–5 Years | 41 / 16.1 | 58 / 22.8 |
| 5–6 Years | 41 / 16.1 | 62 / 24.4 |
Waist = full circumference. Measurements taken flat.
Fit & Sizing
- True to size with a comfortable stretch.
- Plenty of stretch means they fit well over nappies and cloth nappies.
- Soft elastic waistband for easy on and off.
- Between sizes? Size down for a snug fit, size up for longer wear.
| Age | Chest (cm / in) | Length (cm / in) | Long Sleeve (cm / in) |
|---|---|---|---|
| 0–6M | 24.5 / 9.6 | 32 / 12.6 | 25 / 9.8 |
| 6–12M | 27 / 10.6 | 35 / 13.8 | 30 / 11.8 |
| 1–2Y | 30 / 11.8 | 38 / 15.0 | 34 / 13.4 |
| 2–3Y | 31 / 12.2 | 39 / 15.4 | 36 / 14.2 |
| 3–4Y | 32 / 12.6 | 40 / 15.7 | 38 / 15.0 |
| 4–5Y | 33 / 13.0 | 41 / 16.1 | 40 / 15.7 |
| 5–6Y | 34 / 13.4 | 42 / 16.5 | 42 / 16.5 |
Chest = flat measurement.
Fit & Sizing
- Shoulder poppers make dressing easy and avoid tightness over baby's head.
- A generous, relaxed fit allows room for movement and everyday play.
- Contrasting cuff details allow sleeves to be folded back when needed, helping the top last longer as your little one grows.
- Between sizes? Size down for a snug fit, size up for longer wear.
| Age | Chest (cm / in) | Length (cm / in) | Sleeve (cm / in) |
|---|---|---|---|
| 0–6M | 27 / 10.6 | 33 / 13.0 | 23.5 / 9.3 |
| 6–12M | 30 / 11.8 | 38 / 15.0 | 27.5 / 10.8 |
| 1–2Y | 32 / 12.6 | 42 / 16.5 | 31.5 / 12.4 |
| 2–3Y | 34 / 13.4 | 44 / 17.3 | 33.5 / 13.2 |
| 3–4Y | 35 / 13.8 | 48 / 18.9 | 35.5 / 14.0 |
| 4–5Y | 36.5 / 14.4 | 48 / 18.9 | 38 / 15.0 |
| 5–6Y | 38 / 15.0 | 51 / 20.1 | 41 / 16.1 |
Chest = flat measurement.
Fit & Sizing
- Designed for a relaxed, cosy fit with room for layering.
- Between sizes? Size down for a snug fit, size up for longer wear.
| Age | Waist (cm / in) | Length (cm / in) | Leg Opening (cm / in) |
|---|---|---|---|
| 6–12M | 21 / 8.3 | 22 / 8.7 | 14 / 5.5 |
| 1–2Y | 22 / 8.7 | 25 / 9.8 | 15 / 5.9 |
| 2–3Y | 23 / 9.1 | 26 / 10.2 | 15.5 / 6.1 |
| 3–4Y | 24 / 9.4 | 27 / 10.6 | 16 / 6.3 |
Waist = flat measurement.
Fit & Sizing
Cotton Muslin Shorts
- Lightweight muslin cotton — size up for the baggy look.
- Elastic waist, comfortable over little tummies.
Knitted Character Shorts
- Same comfort as our leggings in a summer-ready style.
- Soft, stretchy waistband for comfort and easy dressing.
- Designed to fit comfortably over nappies.
- A relaxed fit allows plenty of freedom for active little ones.
| Age | Height (cm / in) | Weight (kg / lb) |
|---|---|---|
| 0–3M | 50–62 / 19.7–24.4 | 3–6 / 6.6–13.2 |
| 3–6M | 62–68 / 24.4–26.8 | 6–8 / 13.2–17.6 |
| 6–12M | 68–80 / 26.8–31.5 | 8–12 / 17.6–26.5 |
| 12–18M | 80–86 / 31.5–33.9 | 12–13 / 26.5–28.7 |
| 18–24M | 86–92 / 33.9–36.2 | 13–14 / 28.7–30.9 |
Based on baby growth measurements.
Fit & Sizing
- For a more relaxed fit, we recommend sizing up.
- Fold-back cuffs on the arms and legs allow you to adjust the length as your baby grows.
- Cotton zip cover for comfort on your little one, and a clever two-way zip for easy changing.
Summer Rompers
- For a more relaxed fit, we recommend sizing up.
- Cotton zip cover for comfort on your little one.
Dresses
| Age | Length (cm / in) | Chest (cm / in) | Sleeve (cm / in) |
|---|---|---|---|
| 6–12M | 42 / 16.5 | 25.5 / 10.0 | 7.2 / 2.8 |
| 1–2Y | 47.5 / 18.7 | 28.5 / 11.2 | 7.6 / 3.0 |
| 2–3Y | 51 / 20.1 | 30 / 11.8 | 8 / 3.1 |
| 3–4Y | 54.5 / 21.5 | 31 / 12.2 | 8.4 / 3.3 |
| 4–5Y | 58 / 22.8 | 32 / 12.6 | 8.8 / 3.5 |
| 5–6Y | 61.5 / 24.2 | 33 / 13.0 | 9.2 / 3.6 |
Summer Dresses
| Age | Total Length (cm / in) | Chest Width (cm / in) |
|---|---|---|
| 0–6 Months | 37.5 / 14.8 | 24 / 9.4 |
| 6–12 Months | 43 / 16.9 | 25 / 9.8 |
| 1–2 Years | 48 / 18.9 | 27 / 10.6 |
| 2–3 Years | 52 / 20.5 | 29 / 11.4 |
| 3–4 Years | 54.5 / 21.5 | 31 / 12.2 |
| 4–5 Years | 58 / 22.8 | 33 / 13.0 |
| 5–6 Years | 61.5 / 24.2 | 35 / 13.8 |
Chest = measured flat.
Fit & Sizing
Summer Cotton Muslin Dresses
- Relaxed fit for everyday play and comfort.
- Lightweight and breathable muslin cotton, perfect for summer days.
| Age | Foot (cm / in) | Ankle (cm / in) | UK | EU | US |
|---|---|---|---|---|---|
| 0–6M | 8 / 3.1 | 8 / 3.1 | 0–0 | 15–16 | 0–1 |
| 6–12M | 9 / 3.5 | 9 / 3.5 | 0–2.5 | 16–18 | 1–3 |
| 1–2Y | 11 / 4.3 | 10 / 3.9 | 6–8.5 | 23–26 | 7–9 |
| 2–3Y | 14 / 5.5 | 11 / 4.3 | 6–8.5 | 23–26 | 7–9 |
| 3–6Y | 17 / 6.7 | 12 / 4.7 | 8.5–12.5 | 26–30 | 9–13 |
Soft knit = stretchy fit across sizes.
Fit & Sizing
- Soft and stretchy for a comfortable fit.
- Designed to stay in place while little ones crawl, walk and play.
| Age | Length (cm / in) | UK | EU | US |
|---|---|---|---|---|
| 0–6M | 11 / 4.3 | 0–2 | 17–18 | Up to 3 |
| 6–12M | 11.8 / 4.6 | 2–3.5 | 19–20 | 3–4.5 |
| 12–18M | 12.6 / 4.9 | 3.5–5 | 20–22 | 4.5–6 |
| 18–24M | 13.4 / 5.3 | 5–6.5 | 22–23 | 6–7.5 |
Measurement = heel to toe. Ideal for gifting.
Summer Hats
| Age | Head Size (cm / in) |
|---|---|
| 0–6M | 43 / 16.9 |
| 6–12M | 47 / 18.5 |
| 1–2Y | 49 / 19.3 |
| 2–3Y | 51 / 20.1 |
| 3–4Y | 52 / 20.5 |
Measure around forehead & above ears.
Winter / Bobble Hats
| Size | Bobble Hat (cm / in) |
|---|---|
| Small (0–12M) | 36 / 14.2 |
| Medium (1–2Y) | 40 / 15.7 |
| Large (2–6Y) | 46 / 18.1 |
Stretch knit = flexible sizing.
Fit & Sizing
- UPF50+ protection to help shield from the sun.
- True to size.
Sizing FAQs
Will they fit over nappies/diapers?
Yes! Our leggings are designed with extra room in the seat to comfortably fit over nappies and cloth nappies.
Is the fit too generous or will they shrink?
Our fabric is pre-washed and tested for minimal shrinkage. The fit is true to size with a comfortable stretch.
My child is between sizes — what should I do?
Size down for a snug fit, size up for longer wear. If your child wears cloth nappies, we recommend sizing up.
Do the tops have poppers?
Yes! Shoulder poppers make dressing easy and avoid tightness over baby's head.
Can the sleeves be adjusted?
Yes — contrasting cuff details allow sleeves to be folded back when needed, helping the top last longer as your little one grows.
My child is between sizes — what should I do?
Size down for a snug fit, size up for longer wear.
Is the fit generous?
Our hoodies are designed for a relaxed, cosy fit with room for layering underneath.
My child is between sizes — what should I do?
Size down for a snug fit, size up for longer wear.
Will they fit over nappies/diapers?
Yes! Both our knitted character shorts and muslin shorts are designed to fit comfortably over nappies.
What's the difference between knitted and muslin shorts?
Our knitted character shorts offer the same stretchy comfort as our leggings. Muslin shorts are lightweight cotton — size up for a baggier look.
Should I size up?
For a more relaxed fit, we recommend sizing up. Fold-back cuffs on the arms and legs allow you to adjust the length as your baby grows.
How does the zip work?
Our rompers feature a cotton zip cover for comfort and a clever two-way zip for easy changing.
What is the fit like?
Our dresses are a relaxed fit for everyday play and comfort. The muslin cotton is lightweight and breathable, perfect for summer days.
Can they be layered?
Yes — the relaxed fit and breathable fabric make them easy to layer with leggings or a cardigan in cooler weather.
Will they stay on?
Yes! Our socks are designed to stay in place while little ones crawl, walk and play.
Are they stretchy?
Soft and stretchy for a comfortable fit across sizes.
How do I measure for booties?
Measure from heel to toe. If between sizes, we recommend sizing up.
Do the hats offer sun protection?
Yes! Our summer hats feature UPF50+ protection to help shield from the sun.
How do I measure for hats?
Measure around the forehead and above the ears. Sizing is true to size.