Thickened Winter Onesie (0-18M)

$44.90

In stock

Keep your baby warm and cozy through chilly days with the Mimou Thickened Cotton Onesie.
Crafted from soft certified cotton, this romper provides gentle insulation without compromising comfort.

Perfect for newborns up to 12 months, it features a single-breasted closure, windproof cuffs, and an easy-open crotch design for quick diaper changes.
Soft on delicate skin, this piece is ideal for lounging, crawling, or outdoor naps.

Size Guide

Size Length (cm) Chest (cm) Shoulder (cm) Sleeve (cm) Height (cm) Age
73 55 62 26 25 up to 73 6–9M
80 60 64 27 26 up to 80 9–12M
90 65 66 28 27 up to 90 12–18M
100 70 68 29 28 up to 100 18–24M

• Material: 96% Cotton
• Thickness: Thick / Winter
• Safety Level: Class A (baby-safe)
• Closure: Single-breasted buttons
• : / Winter / Early Spring
• Care: Machine wash cold, gentle cycle; tumble dry low

• Soft, thickened cotton for gentle warmth
• Wind-resistant ribbed cuffs keep cold air out
• Easy-open crotch for quick diaper changes
• Elegant embroidered lapel design
• Safe, breathable materials perfect for newborns

Gentle on baby skin
Organic Materials
Hypoallergenic & Breathable
No Harsh Chemicals

Estimated Delivery between January 23 and January 27.

Most moms receive their orders earlier.

30-Day Money-Back
Easy, Fast Returns
Secure Checkout
Safe Baby Materials

Pay with

  • American Express
  • Apple Pay
  • Bancontact
  • Google Pay
  • Klarna
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your transaction is protected with advanced security measures to keep your information confidential

Recently viewed products