STEIF ABS SAFETY HELMET – AB-53 ABS The safety helmets has the air vent holes and the improve fringes to provide internal cooling and better lateral protection capability; The air vent holes are designed to provide the better air cycle flowing, the lateral concavity design in the helmet shells make the installment of hearing protection, face shield visor, etc., equipment simpler, rain guard. The ratchet adjustable suspension has 4 points.
