This safety helmet features a six-point plastic liner that is easily adjustable with a rotary knob setting

• The shell of this safety helmet is made of UV-resistant High Density polyethylene
• Equipped with an easily replaceable sweatband
• The helmet has 30mm slots for facial and hearing protection accessories
• Three ventilation holes on either side of the helmet
• Weight: 337 grams
• Adjustable interior: 53 to 66 cm