Advice on helmets please - Brock Foam or EPS?

Hello, I've recently bought myself a new helmet, a Bern Macon, similar to this one

I was about to start riding with the helmet on, until I noticed some small print stuck to the inside of the helmet which states: "This product does not meet ASTM or EN standards for protective head gear for use in non-motorised land action sports. This product is not a helmet. It is a Hard Hat..."

After a little bit of desk top study I can see that I have inadvertently bought a helmet with Bern's 'Brock Foam' construction, and the certified version is something called an 'EPS' construction. The EPS is certified, but would need replacing after one collision, and the Brock Foam is un-certified but re-usable after minor collisions.

The website where I bought my 'Hard Hat' from states this "An EPS lid is essential if you are into motorised sports or extreme speed. For most other people a brock lid is all you need!" 

So as a result I am bit confused as to what is necessary really; am I at serious risk cycling in London with only a 'Brock Foam' on my dome and not an EPS helmet? Does anyone have any experience of the 'Brock Foam' version?

Thanks in advance, I'm really struggling to find a nice helmet at a reasonable price.



The foam is reuseable after minor collisions because it is not certified. Certification generally means any certified helmet has to be replaced after any collisions as the interity of the helmet may be compromised and so it will lose its certification. The EPS could crack in a collision whereas the foam won't. It really has to be a direct hit to do this at some speed (my opinion so don't sue me).

I have a cycle helmet that has been in a lot of scrapes and is certified and I continue to use it. 


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