How to choose your Petit Bateau size? Baby, child, and women's guide
SERAF
Does Petit Bateau run small? This is the number one question in SERAF stores. The answer: yes, the brand generally fits snugly. When in doubt, size up, especially for babies.
Petit Bateau" loading="lazy" width="1200" style="width:100%;max-width:760px;height:auto;border-radius:14px;display:block">SERAF Golden Rules
- Measure height head-to-toe, without shoes
- Between two sizes: take the larger one
- For newborns: also plan for 3-6 months
- Try on in store if possible: SERAF Geneva
Baby Guide 0-36 months
| Indicative Age | Petit Bateau Size | SERAF Advice |
|---|---|---|
| Newborn | 1 month / newborn | Also plan for 3 months |
| 3-6 months | 6 months | Comfortable bodysuit around the tummy |
| 12 months | 12 months | Check sleeve length |
| 24-36 months | 2-3 years | Freedom of movement for walking |
Interactive guide: SERAF size guide. Collection: baby.
Girls' and Boys' Guide 2-12 years
Active children need freedom of movement. Check sleeves and legs while standing. Collections: girls and boys.
Women's Guide
Marinière tops and pajamas fit more true to size. For an oversized effect, size up. Women's collection.
Returns and Exchanges
Within 14 calendar days, unworn item with tags. Post or Eaux-Vives store. Details: Delivery & returns.
Advice by Situation
Newborn and First Months
Newborn bodysuits fit very snugly. If baby is in the higher percentiles, go straight to 3 months for everyday bodysuits.
Back to School
Plan to try on sweatshirts and pants at the end of summer. Sleeves should cover the wrist when arms are raised.
Giving a Gift
Always size up. See also: newborn gifts Geneva.
Frequently Asked Questions
Can I exchange in store?
Yes, at Eaux-Vives with proof of purchase.
Are the sizes the same for girls and boys?
Petit Bateau size charts are unified by age across children's collections.