The Runt Child’s Helmet protects kids’ heads in compliance with US and European safety requirements while boasting stylish designs and features. Adjust the helmet with the easy-to-use Dial Fit system, secure the helmet with durable straps and keep cool with an aerodynamic venting system. Helmet circumference is 18.5″ to 20.5″ and features a retention stabilizer and black expanded polystyrene (EPS). Red with pink and white stars.