Every little daredevil needs a helmet to mitigate their mischief. Scout keeps kids comfortable and safe while they learn to ride their bike or skateboard. Safety first: this kids' helmet is extra durable, with an impact-absorbing foam lining and protective outer shell that will keep even the most nervous parents at ease. It's also equipped with 14 vents that allow air into the helmet for a comfortable, breezy feel, and this adjustable helmet for kids features an ErgoKnob dial and easy-adjust straps for a perfect fit, even as they grow. Features: Bike helmet designed for everyday bike and skate 14 air vents for optimal airflow Easy-to-adjust nylon straps and an ErgoKnob dial for a snug fit Built-in visor shields the sun and provides better visibility Interior padding is removable and easy to wash Sizing: 19.25 in. - 20.5 in. / 49 cm - 53 cm Complies with U.S. CPSC safety standards for bicycle helmets for persons age 1 and older (Toddler), and persons age 5 and older (Kids)