PPEHead ProtectionArrow Safety Helmet Lightweight vented helmet with 8 vent ports allowing total airflow circulation around the head area. High-density polypropylene shell with 6 points PE suspension harness for comfort fit. Buckle adjustable size 53-65 cm. Standard side slot for accessories and foam sweat band included.Vented helmet shell to allow air circulation cooling the wearer's headHelmet shell with rain gutter 6-point plastic suspension harness for wearing comfort, safety and easy cleaningSize adjustable headband via slip ratchet systemLightweight and comfortableCompatible accessories availableCompatible with PW47 and PS47 clip-on ear muffCE certified