Size Guide

Size Guide

Not sure which size to order? Use our size guide below to find the perfect fit for your little one. When in between sizes, we recommend sizing up for a more comfortable fit and room to grow.

Baby Size Chart

Size Age Height Weight
NB 0–3 months 18–21 in 5–9 lbs
6M 3–6 months 22–24 in 10–16 lbs
12M 6–12 months 25–28 in 17–20 lbs
18M 12–18 months 29–31 in 21–24 lbs
24M 18–24 months 32–34 in 25–28 lbs

Tips for the Best Fit

  • Measure your baby's height and weight before ordering
  • If between sizes, size up — babies grow fast!
  • Our fabrics are soft and have slight stretch for comfort
  • Check individual product pages for any style-specific sizing notes

Still Not Sure?

Contact us at support@ogsbabystyle.com and we'll help you find the right size.