... ,blue, orange, yellow, green, other colours canbe customizedB)on the top of shell, there are single reinforcements in order ... it is good to protect your hand when you using.E)on the border of helmet, we can show ... en397,ansiz89.1)material,stamp,production date,and so on, so it is very clear.Head hoopA)the ... good for preventing your sweat fall downwhen you work.chin stripA)it is for protecting your chin.B ...