In mold climbing helmet suitable for unisex applications sports climbing mountaineering size adjustments adjustable headband height adjustable headband inner padding removable chin padding without chin pad head lamp holders with headlamp mount 4 clips outer material polycarbonate inner material polystyrene size head circumference 52 62 cm number of air vents 10 weight 239 g security standards en 12492 en 397 features replacement padding air flow ve