3M H700N-VI Basic Safety Helmet White. The 3M safety helmets in the H700 series are lightweight safety helmets with plastic welding straps and ventilated headbands for greater comfort. They have a short visor and a headband that can be rotated 180° to improve visibility. These helmets are available with pinlock or ratchet closure inserts. Use the 3M H700 series safety helmets for comfortable, robust and lightweight head protection that can withstand cold temperatures. The ventilated headband provides extra comfort and the head strap can be rotated 180° to optimise visibility when working in confined spaces. They are approved for use at -30 °C (EN397:2012) and -50 °C (GOST EN397:2012). Comfortable, robust and lightweight safety helmets. Short flap for better upward visibility. The head harness can be rotated 180° to ensure better visibility when working in confined spaces. Ventilated headband for extra comfort. Approved for use at -30 °C (EN397:2012) and -50 °C (GOST EN397:2012).