Skip to content

Baby Clothes, 100% Cotton – Soft on Delicate Skin

Thoughtfully made for comfort, easy care, and everyday play

Size Guide

Age-Based Size Conversion Chart:
Age Range UK Size US Size EU Size Chest (inches) Length (inches)
Newborn Newborn NB 50 16 17
0-3 months 0-3M 3M 56-62 17 18
3-6 months 3-6M 6M 62-68 18 19
6-9 months 6-9M 9M 68-74 19 20
9-12 months 9-12M 12M 74-80 20 21
12-18 months 12-18M 18M 80-86 21 22
18-24 months 18-24M 24M/2T 86-92 22 23
2-3 years 2-3Y 3T 92-98 23 24
3-4 years 3-4Y 4T 98-104 24 25
4-5 years 4-5Y 5T 104-110 25 26

Favorite products

Deep dark green knitted cardigan with gold buttons on a wooden hanger against a white wall.

Only the softest, most practical, and adorable babywear makes it into our collection.

Cotton Baby Team
Quality you can trust · UK based
Deep dark green knitted cardigan with gold buttons on a wooden hanger against a white wall.

Cotton Baby Cardigan (9-12 months) - Ada Baby | Cotton Baby

Regular price £34.99 GBP
Sale price £34.99 GBP Regular price
Baby lying on a white surface wearing a sleepsuit with bottle patterns.

Fast delivery, easy returns, and the friendliest customer care for busy parents.

Cotton Baby Service
Free UK Shipping
Baby wrapped in a white sleepsuit with black milk bottle patterns

Cotton Sleepsuit (Newborn, 6-12 months & 12-18 months) - Fred & Noah | Cotton Baby

Regular price £25.99 GBP
Sale price £25.99 GBP Regular price
Baby wearing a red vest with a gold heart on a white background

At Cotton Baby, we carefully select high-quality babywear that brings comfort, softness, and style to your little one.

Cotton Baby Team
Based in the UK
Baby wearing a red vest with a heart design on a white bed.

Cotton Baby Vest (3-6 months) - Fred & Noah | Cotton Baby

Regular price £18.45 GBP
Sale price £18.45 GBP Regular price