Little riders look and feel cool in the Bern Sonic Boys' Bike Helmet. The ABS shell and EPS liner offer rugged protection, while front and back vents enhance cooling airflow. Lay-flat straps adjust using a Compass Fit dial to ensure a fit that's secure but not uncomfortable. A flip-up visor offers shade when they want it. Bern Sonic Boys' Bike Helmet Dark Green - Bicycle Accessoriesories at Academy Sports