Schwinn Merge Q-Star Microshell Bicycle Helmet, Adult: * Helmet Type: adult bicycle helmet * Safety Features: dial-fit retention system allows for easy, on-the-fly adjustment * Removable visor protects you from the elements * Dual-stitch straps are soft to the touch for added comfort * Ventilation: 20 flow vents * Design: black and white graphics * CPSC approved * Fits Head Circumference: 22.83" to 23.62" Available in stores for layaway See our entire assortment of bikes and ride on toys at Walmart.com.