How to Choose Baby Clothes

Finding the Right Size

It’s fun dressing up your baby in all sorts of different outfits, but they grow so quickly! Clothes get outgrown and it can be hard to judge their clothing sizes. They are often judged according to age rather than their actual ‘size’, with these age guides being based more on a babies weight and length. Using the ages as guidance is helpful, but can be less precise. Generally, Infants covers 0-6 months, Babies 6-12 months and Toddlers 12+ months.

Here is a sizing chart that consists of a few typical baby clothes sizes by height and weight:

0-3 Months7-12lbs19-23in
3-6 Months 12-16lbs23-27in
6-9 Months166-20lbs25-27in
6-12 Months17-22lbs27-29in
12-18 Months22-27lbs29-32in
24 Months/2 Years28-32lbs32-34in
3 Years32-35lbs34-38in
4 Years35-39lbs38-40in
Baby Clothes Sizes by Height/Weight

Finding Baby Clothes that Fit

Your baby will be growing quickly so it is recommended that you buy slightly larger sizes to grow into – that way you will get more use out of their clothes! It is also useful to have some spare clothes in a few different sizes. 


Make sure to find comfortable, non-irritating, breathable clothing, made out of natural fibers, such as cotton or linen. Any material used for baby and childrens clothing should be durable – ready for playing, spills and washing. 

If possible, it is worth avoiding synthetic fabrics, wool and nylon. Wool can be an irritant and scratchy against your baby’s skin, while nylon is not breathable and is highly flammable. 

How to tell when baby clothes are too small

Baby clothes being too small can lead to rashes and skin irritation. Pay attention to these indicators of your baby growing out of their clothes:

  • Tops roll up over their belly
  • Marks where elastic or buttons have irritated the skin
  • Leg snaps, and other poppers, popping open 
  • Circulation in legs or arms being cut off when you roll them up
  • General signs of discomfort, such as crying, when putting clothing on your baby

Gender neutrals childrenswear is becoming more popular, as brands are moving away from ‘girls’ and ‘boys’ clothing. Choosing neutral colours and unisex childrens clothing also helps when buying for expectant parents that may not necessarily know their baby’s gender.  

Baby Clothing Alternatives

 Some parents have started hiring bundles of clothes. This is a more sustainable and cost effective option for clothing your baby since you are unlikely to get much wear out of each item. 

Secondhand Baby Clothing can also be a more environmentally friendly option – and cheaper!

Treasure The Moment

Found some clothes for your baby that look adorable? Don’t forget to share the moment to your child’s MySunshine timeline!

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