extremely impact and scratch-resistant ABS helmet, comfortable performance ear protectors, chin and neck protectors and stainless steel mesh visor, stainless steel mesh visor with plastic side enlargement, hearing protection and face shield can be folded, helmet size can be conveniently adjusted with the pull-push system via an adjustment screw directly at the head, removable, highly absorbent and washable sweatband, 20 ventilation openings for optimum breathability, in accordance with EN 397, EN 352-3, EN 1731