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Baby underwear and sleepwear

93 products

Petit Bateau underwear and nightwear for babies: pyjamas, sleepsuits, underwear and socks for gentle sleeping and dressing. Baby underwear & nightwear: what we likePyjamas and nightwear in soft...

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Salopette bébé en velours jambes longues unie - Soir

CHF 65

Tee-shirt bébé en coton manches longues à rayures - Charmi / Laly

CHF 32

Marinière bébé en coton - Marshmallow / Multico

CHF 45

Tee-shirt bébé en coton manches courtes uni à motif

CHF 25

Lot de bodies manches longues en coton imprimé à fleurs bébé

CHF 32

Sweatshirt bébé en coton imprimé animalier

CHF 60

Lot de bodies manches longues en coton uni bébé

CHF 32

Pack of long-sleeve cotton bodysuits with heart print for babies

CHF 32

Pack of long-sleeved floral cotton bodysuits for babies

CHF 32

Pack of plain long-sleeved cotton bodysuits for baby

CHF 45

Pack of plain long-sleeved cotton bodysuits for baby

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CHF 45

Baby fleece pajamas with Paris print

CHF 50

Baby pajama in cotton with small heart print

CHF 50

Baby fleece whale print sleepsuit

CHF 65

Baby fleece sleepsuit with snowman print

CHF 65

Baby fleece pajama with animal print

CHF 50

Baby fleece sleepsuit with heart print

CHF 65

Baby's floral print tubic sleepsuit

CHF 50

Printed tubular baby pyjamas

CHF 55

Baby velour pyjamas with printed collar

CHF 60

baby heart-shaped tubular pyjamas

CHF 55

Baby heart-shaped footless sleepsuit in cotton

CHF 37

plain velvet baby pyjamas

CHF 50

baby velour pyjamas with striped print

CHF 50

Striped cotton polo collar baby bodysuit

CHF 25

Long-sleeved baby bodysuit in wool and cotton

CHF 25

Baby long-sleeved wool and cotton bodysuit

CHF 25

Solid-colored cotton polo collar baby bodysuit — Navy blue

CHF 22

baby long-legged bodysuit in wool and cotton

CHF 29

baby long-legged bodysuit in wool and cotton

CHF 29

Baby bodysuit with embroidered collar and message on the chest

CHF 32

plain cotton baby bodysuit with collar

CHF 22

plain cotton turtleneck baby bodysuit

CHF 29

plain cotton turtleneck baby bodysuit

CHF 22

plain cotton turtleneck baby bodysuit

CHF 22

Lot de tee-shirts enfant en coton manches courtes imprimé chiens

CHF 29

Lot de culottes enfant en coton à cœurs

CHF 25

Pack of kids' cotton short-sleeved star-print T-shirts

CHF 45

Pack of children's cotton briefs with hearts

CHF 37

Baby's forest-print velvet pyjamas

CHF 50

Petit Bateau underwear and nightwear for babies: pyjamas, sleepsuits, underwear and socks for gentle sleeping and dressing.

Baby underwear & nightwear: what we like

  • Pyjamas and nightwear in soft fabrics
  • Simple, comfortable underwear
  • Available in multi-packs for easy replacement

Choosing the right size

Baby sizes run from newborn to 36 months and match the child's height in centimetres. Between two sizes, choose the larger one. See our size guide.

Frequently asked questions

Where should I start?

Start with the pyjamas and everyday underwear, which you replace most often, then add socks and accessories. See the details in the departments below.

Seraf is an authorised Petit Bateau partner, at 9 rue des Eaux-Vives in Geneva. Find this selection in the shop or order online: free delivery from CHF 150 in Switzerland, in-store pickup where available, and returns within 14 days under our conditions.

See also: Baby pyjamas, Baby socks & tights, Baby clothes