Hi Gasmlt,
I am using 2 inch wide velcro on mine. You can find many sellers in ebay selling them.
OT: BTW I think I played with you guys when I was in Malta about a year ago
Say my regards to Rickie
I am not sure if you knew about the ops-core helmet rail system but i think this is a cheaper and better option.
http://www.milspecmonkey.com/protective.html