... power ,construction, mining Material: ABS, PE, PP, HDPE is available Color: red, blue, yellow, white, black, orange is ok Rib: ... one rib, two ribs and three ribs on the top of shell could ... -ABSWeight380gAccessoriesFabric tape, buckle, pinlock, ratchetColourRed, Yellow, WhiteSize52-60CMFeatures· Safety helmet with a versatile new shell design of V rib with ...