Material:ABS,PE,PP,HDPE Anti-shock Light weight,Good strength,Good toughness Petroleum, chemical, power ,construction, ... GH060DescriptionSafety helmet with V rib with 6 cooling vents on top of the shellMaterialShell-ABSWeight380gAccessoriesFabric tape, buckle, pinlock, ratchetColourRed, Yellow ... shell design of V rib with 6 cooling vents on top rain trough, provides a good impact resistance. attached ...