Helmets do wear out and should be replaced, probably every 3-5 years. All plastics degrade with exposure to UV. There are UV blockers that can help, but none are permanent. Want to see an example of this, headlight lenses that have yellowed. This is a direct result of UV exposure. My hard hats at work are only good for a certain number of years. If memory is correct 5 for plastic and 7 for fiberglass.
Last edited by Melvang; 05-10-20 at 08:26 PM.
Reason: Autocorrect error