Fits 16" to 19.5" circumference. Just measure around their head from the middle of their forehead
This hard hat is designed for children ages 2 to 6 years old.
DURABLE ABS CONSTRUCTION - This hard hat looks and feels just like dad's! It will stand up to a lot of rough and tumble abuse.
ADJUSTABLE HEADBAND AND CHIN STRAP – The 6 point, fully adjustable suspension allows for comfortable use. The removable chin strap can keep the hat in place for even the most active kids.
REMOVABLE & WASHABLE SWEAT BAND - The helmet has a terry cloth sweatband, which can be removed and cleaned as needed.