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Mother holding her baby in a Mimou strawberry polka dot romper and bucket hat — when to move up a baby clothing size

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How to Tell When It’s Time to Move Up a Baby Clothing Size

on Jul 24 2026
Baby sizes are a moving target, and the age on the label almost never tells you when to move up — your baby does. Here are the actual signs a size has been outgrown, how long each size lasts, and what to do with the clothes they’ve left behind.