THE AHOLDTECH PERFORMANCE® SERIES BALLISTIC HELMET was designed from the latest bulletproof material, work with SWAT teams to develop it. A next-generation solution that adopt the combination of PE material and Aramid material, minimizes weight and bulk, while offering maximum protection and performance, to improve the overall rigidity of the helmet.

http://www.aholdtech.com/aholdtech-atbh-fsf-p02-mc-nij-iiia-3a-tactical-ballistic-fast-sf-high-cut-bulletproof-helmet-for-army-police-product/