Fabric Covered Shell Multiple Vents for Easy Air Flow Engineering Plastic Outer Shell for Optimum Protection High Density EPS Inner Shell for Impact Absorbtion Shock Absorbtion Technology to Reduce Impact on the Grill Foamed back Liner for Comfort Longer Shape for full Head Coverage Size Adjustment Strap (SRS) Grill Designed for EAR Protection Non Toxic Straps with Length Adjustment Buckles Comfortable Chin Support Optimum Gap Between Peak and Grill Ensuring Safety Full Face Protection