Hockeyhelmet wil be be approved (CE-marked ) , but it will also sit comfortably and be adapted to your head. When setting the helmet should helmet rim to be about a centimeter above the eyebrows. The helmet will also be tightly sealed to the head so it can not spin and the chin strap should be snug so that it can not slide over his chin . Is there cracks in the helmet should be replaced immediately . Generally, holding a hockey helmet 3-4 years. It should also be glossy , the dull and scratched the surface , it is a sign that it is time to change.