Day 5 – Do Helmets Expire?
Here are a few more tips you may not have considered for properly fitting a helmet.
Oh, and yes helmets do expire. The protective materials inside them degrade over time. They will degrade faster if left in hot cars… so it is best to store your helmet in a climate controlled environment.
Check out this article: http://www.equineguelph.ca/news/index.php?content=416