Babies grow like weeds, and suddenly their “perfect fit” clothes are cutting off circulation.

It sneaks up on you. One day, that onesie zips up just fine. The next week, you’re wrestling with the zipper like it’s a tug-of-war competition. Clothes that used to be roomy start feeling tight, and your baby isn’t shy about letting you know. Those little red marks on wrists or ankles? Not cute, not comfy—they’re a sign it’s time to size up.

Here’s what to watch for. First, check the sleeves and pant legs. If they barely reach the wrists or ankles, or if the knees are all bunched up, it’s a red flag. Second, notice how your baby moves. Are they fussy after being dressed? Squirming more than usual? That could be a subtle sign clothes are too snug. Third, snaps and buttons. If they’re popping open or you can’t fasten them comfortably, it’s time for an upgrade.

Honestly, sizing up doesn’t just mean more room—it means comfort and freedom for your little one. Babies need space to stretch, roll, crawl, and wiggle. And oversized clothes? They’re adorable. I promise, a slightly bigger onesie or pants looks perfectly cute, and your baby will thank you by being way less grumpy.

The funny part is how fast this happens. One week, your newborn drawer is perfectly stocked. Blink, and suddenly it’s useless. Growth spurts are sneaky little devils, and they hit hard. Keeping an eye on fit is part of the game, and it saves you a lot of frustration (and shredded clothes).

A quick tip: if you’re unsure, go a size up instead of squeezing into the exact current size. Comfort over precision every time. It’s better for them and for you—less stress, less wrestling, more happy giggles.