Schwinn Thrasher Microshell Bicycle Helmet, Adult: * Helmet Type: adult bicycle helmet * Safety Features: dial-fit retention system allows for easy, on-the-fly adjustments * Visor adds unique styling * Easy-to-adjust webbing for a comfortable, snug fit * Moisture wicking pads keep you dry * Ventilation: 21 flow vents keep your head cool * Design: black, graphic pattern * CPSC approved * Fits Head Circumference: 22.83" to 24.40" Available in stores for layaway