New Gray Nicolls Cricket Helmets Test Opener Size Medium Navy G5409N Medium:Navy with regulated control of range FuelCell foam delivers a with regulated control of range of motion enhanced comfort and variable compression levels ROM Tech is a pre curved design to provide full Range of Motion for maximized performance levels Anatomical design fits better for superior support and heat retention The i Fit technology allows for easy application and adjustable two way compression for enhanced muscle support Factory fitted Apex grille with lateral armour Integrated shock absorbers between helmet and grille Interflow vent channels moulded into the helmet lining