Find your Perfect Size

Take the guesswork out of shopping for baby and toddler clothes!










Use our easy sizing tool by entering your child’s date of birth, weight, and height to get accurate size recommendations. We go beyond age-based sizing to help parents find secondhand kids’ clothing that truly fits — making online shopping more reliable, affordable, and sustainable. 🌱

Young boy with dark hair and a slight smile, wearing a denim jacket with oversized sleeves, standing against a black background.

  • Shop confidently, knowing you’re getting clothes that fit — making sustainable shopping easier and more practical for busy parents.

  • Save time, save money, and reduce returns by finding the right fit the first time.

A young girl with curly brown hair wears a purple dress and red high-heeled shoes, smiling and standing indoors.
Young boy dressed in oversized white shirt, khaki pants, blue tie, and black shoes, standing in a room with wooden floor and beige wall, smiling with arms raised above his head, and a briefcase on the floor beside him.

  • Avoid the frustration of wrong sizes and wasted purchases when shopping secondhand baby and toddler clothes (NB–5T).

  • Our sizing tool uses real-life data to match you with bundles that work for your child right now.