·材質(zhì)：ABS
·頂部V字筋兩側(cè)百葉窗式通風(fēng)口，加速熱空氣排出。不用時(shí)，可用備用膠條堵上
·卷邊寬帽檐，遮擋耀眼陽(yáng)光和雨水，加強(qiáng)側(cè)向剛性
·旋扣或一指鍵帽襯，自鎖型帽夾
·兩側(cè)標(biāo)準(zhǔn)插槽，可組合佩戴防護(hù)面罩，耳罩等附件 
·符合GB2811-89標(biāo)準(zhǔn)
·塑件質(zhì)保30個(gè)月 

V-TOP Safety Helmet
·Material：ABS　engineering plastic
·Persian blinds intake on both sides of V-top increasing the exhaust of hot air。Intake holes can be blocked by strips when not using
·Curling edged brim preventing sunshine and rain water and improving side rigidity
·Ratchct  or one-key harness，auto –locked with face shield or earmuff
·Both sides standard plug channel,which can be combined with face shield or earmuff
·Conform to GB2811-89 standard
·Plastic piece warranty is 30 months